VScode error message failed to download extension

**Repro steps:**

1.

**Extension Version:** 1.0.0
**Error Message:** .NET Acquisition Failed: Installation failed: Error: Command failed: powershell.exe -NoProfile -ExecutionPolicy unrestricted -Command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12 ; & 'c:\Users\anonymous\.vscode\extensions\ms-dotnettools.vscode-dotnet-runtime-1.6.0\dist\install scripts\dotnet-install.ps1' -InstallDir 'c:\Users\anonymous\AppData\Roaming\Code\User\globalStorage\ms-dotnettools.vscode-dotnet-runtime\.dotnet\7.0.9' -Version 7.0.9 -Runtime dotnet }
'powershell.exe' is not recognized as an internal or external command,
operable program or batch file.

**Error Stack:** Error: .NET Acquisition Failed: Installation failed: Error: Command failed: powershell.exe -NoProfile -ExecutionPolicy unrestricted -Command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12 ; & 'c:\Users\anonymous\.vscode\extensions\ms-dotnettools.vscode-dotnet-runtime-1.6.0\dist\install scripts\dotnet-install.ps1' -InstallDir 'c:\Users\anonymous\AppData\Roaming\Code\User\globalStorage\ms-dotnettools.vscode-dotnet-runtime\.dotnet\7.0.9' -Version 7.0.9 -Runtime dotnet }
'powershell.exe' is not recognized as an internal or external command,
operable program or batch file.

at c:\Users\anonymous\.vscode\extensions\vscode-dotnet-runtime-library\dist\Acquisition\DotnetCoreAcquisitionWorker.js:89:27