diff --git a/__tests__/installer.test.ts b/__tests__/installer.test.ts
index 1a7e024..becedea 100644
--- a/__tests__/installer.test.ts
+++ b/__tests__/installer.test.ts
@@ -117,7 +117,7 @@ describe('DotnetCoreInstaller tests', () => {
 
   it('Throws if no location contains correct dotnet version', async () => {
     await expect(async () => {
-      await getDotnet('1000.0.0');
+      await getDotnet('1000.0.0')
     }).rejects.toThrow();
   }, 30000);
 
@@ -177,7 +177,7 @@ describe('DotnetVersionResolver tests', () => {
       const dotnetVersionResolver = new installer.DotnetVersionResolver(
         version
       );
-      const versionObject = await dotnetVersionResolver.createDotNetVersion();
+      const versionObject = await dotnetVersionResolver.createDotnetVersion();
 
       expect(!!versionObject.value).toBe(true);
     }
@@ -216,7 +216,7 @@ describe('DotnetVersionResolver tests', () => {
       );
 
       await expect(
-        async () => await dotnetVersionResolver.createDotNetVersion()
+        async () => await dotnetVersionResolver.createDotnetVersion()
       ).rejects.toThrow();
     }
   );
@@ -227,7 +227,7 @@ describe('DotnetVersionResolver tests', () => {
       const dotnetVersionResolver = new installer.DotnetVersionResolver(
         version
       );
-      const versionObject = await dotnetVersionResolver.createDotNetVersion();
+      const versionObject = await dotnetVersionResolver.createDotnetVersion();
 
       expect(versionObject.type.toLowerCase().includes('channel')).toBe(true);
     }
@@ -239,7 +239,7 @@ describe('DotnetVersionResolver tests', () => {
       const dotnetVersionResolver = new installer.DotnetVersionResolver(
         version
       );
-      const versionObject = await dotnetVersionResolver.createDotNetVersion();
+      const versionObject = await dotnetVersionResolver.createDotnetVersion();
 
       expect(versionObject.type.toLowerCase().includes('channel')).toBe(true);
       expect(versionObject.qualityFlag).toBe(true);
@@ -252,7 +252,7 @@ describe('DotnetVersionResolver tests', () => {
       const dotnetVersionResolver = new installer.DotnetVersionResolver(
         version
       );
-      const versionObject = await dotnetVersionResolver.createDotNetVersion();
+      const versionObject = await dotnetVersionResolver.createDotnetVersion();
 
       expect(versionObject.type.toLowerCase().includes('version')).toBe(true);
       expect(versionObject.qualityFlag).toBe(false);
@@ -265,7 +265,7 @@ describe('DotnetVersionResolver tests', () => {
       const dotnetVersionResolver = new installer.DotnetVersionResolver(
         version
       );
-      const versionObject = await dotnetVersionResolver.createDotNetVersion();
+      const versionObject = await dotnetVersionResolver.createDotnetVersion();
       const windowsRegEx = new RegExp(/^-[VC]/);
       const nonWindowsRegEx = new RegExp(/^--[vc]/);
 
diff --git a/dist/index.js b/dist/index.js
index aa4b7a5..727b6ca 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -229,9 +229,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
 var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
-var _a;
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.DotnetCoreInstaller = exports.DotnetVersionResolver = void 0;
+exports.DotnetCoreInstaller = exports.DotnetInstallDir = exports.DotnetInstallScript = exports.DotnetVersionResolver = void 0;
 // Load tempDirectory before it gets wiped by tool-cache
 const core = __importStar(__nccwpck_require__(2186));
 const exec = __importStar(__nccwpck_require__(1514));
@@ -279,7 +278,7 @@ class DotnetVersionResolver {
     isNumericTag(versionTag) {
         return /^\d+$/.test(versionTag);
     }
-    createDotNetVersion() {
+    createDotnetVersion() {
         return __awaiter(this, void 0, void 0, function* () {
             yield this.resolveVersionInput();
             if (!this.resolvedArgument.type) {
@@ -314,11 +313,77 @@ class DotnetVersionResolver {
 }
 exports.DotnetVersionResolver = DotnetVersionResolver;
 DotnetVersionResolver.DotNetCoreIndexUrl = 'https://dotnetcli.azureedge.net/dotnet/release-metadata/releases-index.json';
-class DotnetCoreInstaller {
-    constructor(version, quality) {
-        this.version = version;
-        this.quality = quality;
+class DotnetInstallScript {
+    constructor() {
+        this.scriptName = utils_1.IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';
+        this.scriptArguments = [];
+        this.scriptPath = '';
+        this.escapedScript = path_1.default
+            .join(__dirname, '..', 'externals', this.scriptName)
+            .replace(/'/g, "''");
+        this.scriptReady = utils_1.IS_WINDOWS
+            ? this.setupScriptPowershell()
+            : this.setupScriptBash();
     }
+    setupScriptPowershell() {
+        return __awaiter(this, void 0, void 0, function* () {
+            this.scriptArguments = [
+                '-NoLogo',
+                '-Sta',
+                '-NoProfile',
+                '-NonInteractive',
+                '-ExecutionPolicy',
+                'Unrestricted',
+                '-Command'
+            ];
+            this.scriptArguments.push('&', `'${this.escapedScript}'`);
+            if (process.env['https_proxy'] != null) {
+                this.scriptArguments.push(`-ProxyAddress ${process.env['https_proxy']}`);
+            }
+            // This is not currently an option
+            if (process.env['no_proxy'] != null) {
+                this.scriptArguments.push(`-ProxyBypassList ${process.env['no_proxy']}`);
+            }
+            this.scriptPath = (yield io.which('pwsh', false)) || (yield io.which('powershell', true));
+        });
+    }
+    setupScriptBash() {
+        return __awaiter(this, void 0, void 0, function* () {
+            (0, fs_1.chmodSync)(this.escapedScript, '777');
+            this.scriptArguments = [];
+            this.scriptPath = yield io.which(this.escapedScript, true);
+        });
+    }
+    useArguments(...args) {
+        this.scriptArguments.push(...args);
+        return this;
+    }
+    useVersion(dotnetVersion, quality) {
+        if (dotnetVersion.type) {
+            this.useArguments(dotnetVersion.type, dotnetVersion.value);
+        }
+        if (quality && !dotnetVersion.qualityFlag) {
+            core.warning(`'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A and A.x formats where the major tag is higher than 5. You specified: ${dotnetVersion.value}. 'dotnet-quality' input is ignored.`);
+            return this;
+        }
+        if (quality) {
+            this.useArguments(utils_1.IS_WINDOWS ? '-Quality' : '--quality', quality);
+        }
+        return this;
+    }
+    execute() {
+        return __awaiter(this, void 0, void 0, function* () {
+            const getExecOutputOptions = {
+                ignoreReturnCode: true,
+                env: process.env
+            };
+            yield this.scriptReady;
+            return exec.getExecOutput(`"${this.scriptPath}"`, this.scriptArguments, getExecOutputOptions);
+        });
+    }
+}
+exports.DotnetInstallScript = DotnetInstallScript;
+class DotnetInstallDir {
     static convertInstallPathToAbsolute(installDir) {
         let transformedPath;
         if (path_1.default.isAbsolute(installDir)) {
@@ -335,70 +400,33 @@ class DotnetCoreInstaller {
         core.addPath(process.env['DOTNET_INSTALL_DIR']);
         core.exportVariable('DOTNET_ROOT', process.env['DOTNET_INSTALL_DIR']);
     }
-    setQuality(dotnetVersion, scriptArguments) {
-        const option = utils_1.IS_WINDOWS ? '-Quality' : '--quality';
-        if (dotnetVersion.qualityFlag) {
-            scriptArguments.push(option, this.quality);
-        }
-        else {
-            core.warning(`'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A and A.x formats where the major tag is higher than 5. You specified: ${this.version}. 'dotnet-quality' input is ignored.`);
-        }
+    static initialize() {
+        process.env['DOTNET_INSTALL_DIR'] = DotnetInstallDir.path;
     }
+}
+exports.DotnetInstallDir = DotnetInstallDir;
+DotnetInstallDir.default = {
+    linux: '/usr/share/dotnet',
+    mac: path_1.default.join(process.env['HOME'] + '', '.dotnet'),
+    windows: path_1.default.join(process.env['PROGRAMFILES'] + '', 'dotnet')
+};
+DotnetInstallDir.path = process.env['DOTNET_INSTALL_DIR']
+    ? DotnetInstallDir.convertInstallPathToAbsolute(process.env['DOTNET_INSTALL_DIR'])
+    : DotnetInstallDir.default[(0, utils_1.getPlatform)()];
+class DotnetCoreInstaller {
+    constructor(version, quality) {
+        this.version = version;
+        this.quality = quality;
+    }
+    ;
     installDotnet() {
         return __awaiter(this, void 0, void 0, function* () {
-            const windowsDefaultOptions = [
-                '-NoLogo',
-                '-Sta',
-                '-NoProfile',
-                '-NonInteractive',
-                '-ExecutionPolicy',
-                'Unrestricted',
-                '-Command'
-            ];
-            const scriptName = utils_1.IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';
-            const escapedScript = path_1.default
-                .join(__dirname, '..', 'externals', scriptName)
-                .replace(/'/g, "''");
-            let scriptArguments;
-            let scriptPath = '';
             const versionResolver = new DotnetVersionResolver(this.version);
-            const dotnetVersion = yield versionResolver.createDotNetVersion();
-            if (utils_1.IS_WINDOWS) {
-                scriptArguments = ['&', `'${escapedScript}'`];
-                if (dotnetVersion.type) {
-                    scriptArguments.push(dotnetVersion.type, dotnetVersion.value);
-                }
-                if (this.quality) {
-                    this.setQuality(dotnetVersion, scriptArguments);
-                }
-                if (process.env['https_proxy'] != null) {
-                    scriptArguments.push(`-ProxyAddress ${process.env['https_proxy']}`);
-                }
-                // This is not currently an option
-                if (process.env['no_proxy'] != null) {
-                    scriptArguments.push(`-ProxyBypassList ${process.env['no_proxy']}`);
-                }
-                scriptPath =
-                    (yield io.which('pwsh', false)) || (yield io.which('powershell', true));
-                scriptArguments = windowsDefaultOptions.concat(scriptArguments);
-            }
-            else {
-                (0, fs_1.chmodSync)(escapedScript, '777');
-                scriptPath = yield io.which(escapedScript, true);
-                scriptArguments = [];
-                if (dotnetVersion.type) {
-                    scriptArguments.push(dotnetVersion.type, dotnetVersion.value);
-                }
-                if (this.quality) {
-                    this.setQuality(dotnetVersion, scriptArguments);
-                }
-            }
-            // process.env must be explicitly passed in for DOTNET_INSTALL_DIR to be used
-            const getExecOutputOptions = {
-                ignoreReturnCode: true,
-                env: process.env
-            };
-            const { exitCode, stderr } = yield exec.getExecOutput(`"${scriptPath}"`, scriptArguments, getExecOutputOptions);
+            const dotnetVersion = yield versionResolver.createDotnetVersion();
+            const installScript = new DotnetInstallScript()
+                .useArguments(utils_1.IS_WINDOWS ? '-SkipNonVersionedFiles' : '--skip-non-versioned-files')
+                .useVersion(dotnetVersion, this.quality);
+            const { exitCode, stderr } = yield installScript.execute();
             if (exitCode) {
                 throw new Error(`Failed to install dotnet, exit code: ${exitCode}. ${stderr}`);
             }
@@ -417,17 +445,9 @@ class DotnetCoreInstaller {
     }
 }
 exports.DotnetCoreInstaller = DotnetCoreInstaller;
-_a = DotnetCoreInstaller;
+DotnetCoreInstaller.addToPath = DotnetInstallDir.addToPath;
 (() => {
-    const dotnetInstallDirDefault = {
-        linux: '/usr/share/dotnet',
-        mac: path_1.default.join(process.env['HOME'] + '', '.dotnet'),
-        windows: path_1.default.join(process.env['PROGRAMFILES'] + '', 'dotnet')
-    }[(0, utils_1.getPlatform)()];
-    const dotnetInstallDir = process.env['DOTNET_INSTALL_DIR']
-        ? _a.convertInstallPathToAbsolute(process.env['DOTNET_INSTALL_DIR'])
-        : dotnetInstallDirDefault;
-    process.env['DOTNET_INSTALL_DIR'] = dotnetInstallDir;
+    DotnetInstallDir.initialize;
 })();
 
 
diff --git a/src/installer.ts b/src/installer.ts
index b2132ef..31b3532 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -61,7 +61,7 @@ export class DotnetVersionResolver {
     return /^\d+$/.test(versionTag);
   }
 
-  public async createDotNetVersion(): Promise<{
+  public async createDotnetVersion(): Promise<{
     type: string;
     value: string;
     qualityFlag: boolean;
@@ -110,29 +110,106 @@ export class DotnetVersionResolver {
     'https://dotnetcli.azureedge.net/dotnet/release-metadata/releases-index.json';
 }
 
-export class DotnetCoreInstaller {
-  private version: string;
-  private quality: QualityOptions;
+export class DotnetInstallScript {
+  private scriptName = IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';
+  private escapedScript: string;
+  private scriptArguments: string[] = [];
+  private scriptPath = '';
+  private scriptReady: Promise<void>;
 
-  static {
-    const dotnetInstallDirDefault = {
-      linux: '/usr/share/dotnet',
-      mac: path.join(process.env['HOME'] + '', '.dotnet'),
-      windows: path.join(process.env['PROGRAMFILES'] + '', 'dotnet')
-    }[getPlatform()];
-
-    const dotnetInstallDir = process.env['DOTNET_INSTALL_DIR']
-      ? this.convertInstallPathToAbsolute(process.env['DOTNET_INSTALL_DIR'])
-      : dotnetInstallDirDefault;
-
-    process.env['DOTNET_INSTALL_DIR'] = dotnetInstallDir;
+  constructor() {
+    this.escapedScript = path
+      .join(__dirname, '..', 'externals', this.scriptName)
+      .replace(/'/g, "''");
+    
+    this.scriptReady = IS_WINDOWS
+      ? this.setupScriptPowershell()
+      : this.setupScriptBash();
   }
 
-  constructor(version: string, quality: QualityOptions) {
-    this.version = version;
-    this.quality = quality;
+  private async setupScriptPowershell() {
+    this.scriptArguments = [
+      '-NoLogo',
+      '-Sta',
+      '-NoProfile',
+      '-NonInteractive',
+      '-ExecutionPolicy',
+      'Unrestricted',
+      '-Command'
+    ];
+
+    this.scriptArguments.push('&', `'${this.escapedScript}'`);
+
+    if (process.env['https_proxy'] != null) {
+      this.scriptArguments.push(`-ProxyAddress ${process.env['https_proxy']}`);
+    }
+    // This is not currently an option
+    if (process.env['no_proxy'] != null) {
+      this.scriptArguments.push(`-ProxyBypassList ${process.env['no_proxy']}`);
+    }
+
+    this.scriptPath = (await io.which('pwsh', false)) || (await io.which('powershell', true));
   }
 
+  private async setupScriptBash() {
+    chmodSync(this.escapedScript, '777');
+
+    this.scriptArguments = [];
+
+    this.scriptPath = await io.which(this.escapedScript, true);
+  }
+
+  public useArguments(...args: string[]) {
+    this.scriptArguments.push(...args);
+    return this;
+  }
+
+  public useVersion(dotnetVersion: DotnetVersion, quality?: QualityOptions) {
+    if (dotnetVersion.type) {
+      this.useArguments(dotnetVersion.type, dotnetVersion.value);
+    }
+
+    if (quality && !dotnetVersion.qualityFlag) {
+      core.warning(
+        `'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A and A.x formats where the major tag is higher than 5. You specified: ${dotnetVersion.value}. 'dotnet-quality' input is ignored.`
+      );
+      return this;
+    }
+
+    if (quality) {
+      this.useArguments(IS_WINDOWS ? '-Quality' : '--quality', quality);
+    }
+
+    return this;
+  }
+
+  public async execute() {
+    const getExecOutputOptions = {
+      ignoreReturnCode: true,
+      env: process.env as {string: string}
+    };
+
+    await this.scriptReady;
+
+    return exec.getExecOutput(
+      `"${this.scriptPath}"`,
+      this.scriptArguments,
+      getExecOutputOptions,
+    )
+  }
+}
+
+export abstract class DotnetInstallDir {
+  private static readonly default = {
+    linux: '/usr/share/dotnet',
+    mac: path.join(process.env['HOME'] + '', '.dotnet'),
+    windows: path.join(process.env['PROGRAMFILES'] + '', 'dotnet')
+  }
+
+  public static readonly path = process.env['DOTNET_INSTALL_DIR']
+    ? DotnetInstallDir.convertInstallPathToAbsolute(process.env['DOTNET_INSTALL_DIR'])
+    : DotnetInstallDir.default[getPlatform()]
+
   private static convertInstallPathToAbsolute(installDir: string): string {
     let transformedPath;
     if (path.isAbsolute(installDir)) {
@@ -145,90 +222,35 @@ export class DotnetCoreInstaller {
     return path.normalize(transformedPath);
   }
 
-  static addToPath() {
+  public static addToPath() {
     core.addPath(process.env['DOTNET_INSTALL_DIR']!);
     core.exportVariable('DOTNET_ROOT', process.env['DOTNET_INSTALL_DIR']);
   }
 
-  private setQuality(
-    dotnetVersion: DotnetVersion,
-    scriptArguments: string[]
-  ): void {
-    const option = IS_WINDOWS ? '-Quality' : '--quality';
-    if (dotnetVersion.qualityFlag) {
-      scriptArguments.push(option, this.quality);
-    } else {
-      core.warning(
-        `'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A and A.x formats where the major tag is higher than 5. You specified: ${this.version}. 'dotnet-quality' input is ignored.`
-      );
-    }
+  public static initialize() {
+    process.env['DOTNET_INSTALL_DIR'] = DotnetInstallDir.path;
+  }
+}
+
+export class DotnetCoreInstaller {
+  static addToPath = DotnetInstallDir.addToPath;
+
+  static {
+    DotnetInstallDir.initialize;
   }
 
+  constructor(private version: string, private quality: QualityOptions) {};
+
   public async installDotnet(): Promise<string> {
-    const windowsDefaultOptions = [
-      '-NoLogo',
-      '-Sta',
-      '-NoProfile',
-      '-NonInteractive',
-      '-ExecutionPolicy',
-      'Unrestricted',
-      '-Command'
-    ];
-    const scriptName = IS_WINDOWS ? 'install-dotnet.ps1' : 'install-dotnet.sh';
-    const escapedScript = path
-      .join(__dirname, '..', 'externals', scriptName)
-      .replace(/'/g, "''");
-    let scriptArguments: string[];
-    let scriptPath = '';
-
     const versionResolver = new DotnetVersionResolver(this.version);
-    const dotnetVersion = await versionResolver.createDotNetVersion();
+    const dotnetVersion = await versionResolver.createDotnetVersion();
 
-    if (IS_WINDOWS) {
-      scriptArguments = ['&', `'${escapedScript}'`];
+    const installScript = new DotnetInstallScript()
+      .useArguments(IS_WINDOWS ? '-SkipNonVersionedFiles' : '--skip-non-versioned-files')
+      .useVersion(dotnetVersion, this.quality);
 
-      if (dotnetVersion.type) {
-        scriptArguments.push(dotnetVersion.type, dotnetVersion.value);
-      }
+    const {exitCode, stderr} = await installScript.execute();
 
-      if (this.quality) {
-        this.setQuality(dotnetVersion, scriptArguments);
-      }
-
-      if (process.env['https_proxy'] != null) {
-        scriptArguments.push(`-ProxyAddress ${process.env['https_proxy']}`);
-      }
-      // This is not currently an option
-      if (process.env['no_proxy'] != null) {
-        scriptArguments.push(`-ProxyBypassList ${process.env['no_proxy']}`);
-      }
-
-      scriptPath =
-        (await io.which('pwsh', false)) || (await io.which('powershell', true));
-      scriptArguments = windowsDefaultOptions.concat(scriptArguments);
-    } else {
-      chmodSync(escapedScript, '777');
-      scriptPath = await io.which(escapedScript, true);
-      scriptArguments = [];
-
-      if (dotnetVersion.type) {
-        scriptArguments.push(dotnetVersion.type, dotnetVersion.value);
-      }
-
-      if (this.quality) {
-        this.setQuality(dotnetVersion, scriptArguments);
-      }
-    }
-    // process.env must be explicitly passed in for DOTNET_INSTALL_DIR to be used
-    const getExecOutputOptions = {
-      ignoreReturnCode: true,
-      env: process.env as {string: string}
-    };
-    const {exitCode, stderr} = await exec.getExecOutput(
-      `"${scriptPath}"`,
-      scriptArguments,
-      getExecOutputOptions
-    );
     if (exitCode) {
       throw new Error(
         `Failed to install dotnet, exit code: ${exitCode}. ${stderr}`