InstallPowerShellCore.ps1
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<#PSScriptInfo
.VERSION 1.0 .GUID 375c681f-9a07-492c-ad38-ea9122dec131 .AUTHOR lingyf .COMPANYNAME .COPYRIGHT .TAGS PowerShellCore .LICENSEURI https://github.com/lingyf/universal-scripts/blob/main/LICENSE .PROJECTURI https://github.com/lingyf/universal-scripts .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES VERSION 1.0: Initial release. .PRIVATEDATA #> <# .DESCRIPTION This script installs the latest stable version of PowerShell Core on Windows. #> #Requires -PSEdition Desktop -RunAsAdministrator $latest = Invoke-RestMethod -Uri 'https://api.github.com/repos/PowerShell/PowerShell/releases/latest' $local = Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*' | Where-Object {$_.DisplayName -match 'powershell' -and $_.DisplayName -notmatch 'preview'} if (-not $local -or ($local -and [version]($local.DisplayVersion.Split('.')[0..2] -join '.') -lt [version]$latest.tag_name.Trim('v'))) { $installer = $latest.assets | Where-Object {$_.name -match 'win-x64.msi'} $installerPath = Join-Path -Path 'C:\Windows\Temp' -ChildPath $installer.name Invoke-RestMethod -Uri $installer.browser_download_url -OutFile $installerPath Start-Process -FilePath 'msiexec.exe' -ArgumentList "/i $installerPath /quiet" -Wait Remove-Item -Path $installerPath } |