# This script is hosted on https://get.msvc.win/ for MSVC Win Project
To get started, run irm https://get.msvc.win | iex inside of PowerShell
Add-Type -AssemblyName System.IO.Compression.FileSystem
function Main {
if ($PSVersionTable.PSEdition -ne 'Desktop' -and $env:OS -ne 'Windows_NT') {
Write-Warning "Please run it on Windows. "
return 1
}
$procArch = $Env:PROCESSOR_ARCHITECTURE
$isServer = (Get-CimInstance Win32_OperatingSystem).ProductType -ne 1
$buildVersion = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion').CurrentBuild
if ($procArch -eq 'ARM') {
Write-Warning "This script does not support Windows RT. Exiting..."
return 1
}
elseif ($procArch -eq 'ia64') {
Write-Warning "This script does not support Itanium. Exiting..."
return 1
}
$flagPath = "$env:TEMP\elevation_success.flag"
if (Test-Path $flagPath) { Remove-Item $flagPath -ErrorAction SilentlyContinue }
# --- Elevation check ---
$IsAdmin = ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole(
[Security.Principal.WindowsBuiltInRole]::Administrator)
if (-not $IsAdmin) {
Write-Host "Elevation required. Relaunching..."
$tempScript = [IO.Path]::ChangeExtension([IO.Path]::GetTempFileName(), ".ps1")
Invoke-WebRequest -Uri "https://get.msvc.win/" -OutFile $tempScript
Start-Process powershell -Verb RunAs -ArgumentList "-NoProfile -ExecutionPolicy Bypass -File `"$tempScript`""
Start-Sleep -Seconds 10
if (-Not (Test-Path $flagPath)) {
Write-Warning "User did not confirm UAC prompt or something went wrong."
return 1
}
else {
Remove-Item $flagPath -ErrorAction SilentlyContinue
Write-Host "Setup ran successfully."
return 0
}
}
$dxInstallOption = "Y"
if ($isServer) {
Write-Host "Windows Server detected. Would you like to install DirectX Runtime?"
$dxInstallOption = Get-UserConfirmation -Message "" -TimeoutSeconds 10 -Default "N"
}
# --- Elevated section ---
New-Item -Path $flagPath -ItemType File -Force | Out-Null
Write-Host "Running with elevated privileges..."
$tempDir = New-Item -ItemType Directory -Path ([IO.Path]::Combine($env:TEMP, [guid]::NewGuid().ToString()))
$aria2Dir = Join-Path $tempDir "aria2"
$aria2Exe = Join-Path $aria2Dir "aria2c.exe"
# --- Check User IP location ---
$geoInfo = Invoke-RestMethod -Uri 'https://ipapi.co/json/'
$countryCode = $geoInfo.country
# --- Check Proxy Settings ---
$webProxy = [System.Net.WebRequest]::GetSystemWebProxy()
$uri = New-Object Uri("http://example.com")
$proxyUri = $webProxy.GetProxy($uri)
$useProxy = $proxyUri.Host -ne "example.com"
if ($useProxy) {
$proxyAddress = $proxyUri.Authority
Write-Host "Detected system proxy: $proxyAddress"
}
# --- Check .NET Framework 3.5 ---
$net35Key = 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5'
$isNet35Installed = $false
$installNet35 = $false
if (Test-Path $net35Key) {
$net35 = Get-ItemProperty -Path $net35Key
$isNet35Installed = $net35.Install -eq 1
}
if (-not $isNet35Installed) {
Write-Host ".NET Framework 3.5 is not installed. Would you like to download and install it (Y/N)?"
$dotNetInstallOption = Get-UserConfirmation -Message "" -TimeoutSeconds 10
$installNet35 = $dotNetInstallOption -eq "Y"
}
# --- Ensure aria2c is available ---
if (-not (Test-Path $aria2Exe)) {
Write-Host "Downloading aria2c..."
$aria2Zip = Join-Path $tempDir "aria2.zip"
if ($countryCode -eq 'CN') {
$aria2Url = "https://gitee.com/HikariCalyx/OSTRemote/releases/download/v1.0/aria2-1.37.0-win-64bit-build1.zip"
# Workaround for specific Chinese ISPs that would not resolve domains properly like aka.ms
$regionalWorkaround = "--async-dns-server=223.5.5.5"
}
else {
$aria2Url = "https://github.com/aria2/aria2/releases/download/release-1.37.0/aria2-1.37.0-win-64bit-build1.zip"
$regionalWorkaround = ""
}
if ($useProxy) {
$regionalWorkaround = "--all-proxy=$proxyAddress"
}
if ($procArch -ne "AMD64") {
$aria2Url = $aria2Url.Replace("64bit", "32bit")
}
Invoke-WebRequest -Uri $aria2Url -OutFile $aria2Zip
Expand-Archive -Path $aria2Zip -DestinationPath $aria2Dir -Force
$found = Get-ChildItem -Path $aria2Dir -Recurse -Filter "aria2c.exe" | Select-Object -First 1
if ($found) { Copy-Item $found.FullName -Destination $aria2Exe -Force }
}
# --- Define all downloads ---
$downloads = @(
@{ Name = "vstor_redist.exe"; Url = "https://download.microsoft.com/download/8/6/4/8641e164-7796-4b34-81c7-30d24a5bd533/vstor_redist.exe" },
@{ Name = "vcredist_2005_x86.exe"; Url = "https://download.microsoft.com/download/8/b/4/8b42259f-5d70-43f4-ac2e-4b208fd8d66a/vcredist_x86.exe"; Year = "2005" },
@{ Name = "vcredist_2005_x64.exe"; Url = "https://download.microsoft.com/download/8/b/4/8b42259f-5d70-43f4-ac2e-4b208fd8d66a/vcredist_x64.exe"; Year = "2005" },
@{ Name = "vcredist_2008_x86.exe"; Url = "https://download.microsoft.com/download/5/D/8/5D8C65CB-C849-4025-8E95-C3966CAFD8AE/vcredist_x86.exe"; Year = "2008" },
@{ Name = "vcredist_2008_x64.exe"; Url = "https://download.microsoft.com/download/5/D/8/5D8C65CB-C849-4025-8E95-C3966CAFD8AE/vcredist_x64.exe"; Year = "2008" },
@{ Name = "vcredist_2010_x86.exe"; Url = "https://download.microsoft.com/download/1/6/5/165255E7-1014-4D0A-B094-B6A430A6BFFC/vcredist_x86.exe"; Year = "2010" },
@{ Name = "vcredist_2010_x64.exe"; Url = "https://download.microsoft.com/download/1/6/5/165255E7-1014-4D0A-B094-B6A430A6BFFC/vcredist_x64.exe"; Year = "2010" },
@{ Name = "vcredist_2012_x86.exe"; Url = "https://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/VSU_4/vcredist_x86.exe"; Year = "2012" },
@{ Name = "vcredist_2012_x64.exe"; Url = "https://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/VSU_4/vcredist_x64.exe"; Year = "2012" },
@{ Name = "vcredist_2013_x86.exe"; Url = "https://aka.ms/highdpimfc2013x86enu"; Year = "2013" },
@{ Name = "vcredist_2013_x64.exe"; Url = "https://aka.ms/highdpimfc2013x64enu"; Year = "2013" }
)
if ($buildVersion -ge 10240) {
$downloads += @{ Name = "vcredist_v14_x86.exe"; Url = "https://aka.ms/vc14/vc_redist.x86.exe"; Year = "v14" }
$downloads += @{ Name = "vcredist_v14_x64.exe"; Url = "https://aka.ms/vc14/vc_redist.x64.exe"; Year = "v14" }
} else {
Write-Host "Older Windows detected. Visual C++ 2015-2022 Redistributable Runtime will be installed instead. "
$downloads += @{ Name = "vcredist_2015-2022_x86.exe"; Url = "https://aka.ms/vs/17/release/vc_redist.x86.exe"; Year = "2015-2022" }
$downloads += @{ Name = "vcredist_2015-2022_x64.exe"; Url = "https://aka.ms/vs/17/release/vc_redist.x64.exe"; Year = "2015-2022" }
}
if ($procArch -eq "ARM64" -and $buildVersion -lt 21390) {
$downloads += @{ Name = "vcredist_v14_arm64.exe"; Url = "https://aka.ms/vc14/vc_redist.arm64.exe"; Year = "v14" }
}
if ($dxInstallOption -eq "Y") {
$downloads += @{ Name = "directx_redist.exe"; Url = "https://download.microsoft.com/download/8/4/a/84a35bf1-dafe-4ae8-82af-ad2ae20b6b14/directx_jun2010_redist.exe" }
}
if ($installNet35) {
if ($buildVersion -ge 27965) {
$downloads += @{ Name = "dotnet35setup_vnext.exe"; Url = "https://download.microsoft.com/download/3d2c2884-8241-44c2-ad5e-39c8a3fecf15/DotNet35Setup.exe" }
}
}
$ariaListPath = Join-Path $tempDir "fileList.txt"
# --- Download everything up front ---
foreach ($item in $downloads) {
if ($item.Name -Match "x64" -and $procArch -ne "AMD64" -and $buildVersion -lt 21390) {
continue
}
if ($item.Name -Match "directx" -and $isServer) {
continue
}
$line = "$($item.Url)`n out=$($item.Name)"
Add-Content -Path $ariaListPath -Value $line
}
Write-Host "Downloading files..."
$argumentList = @(
"--dir=`"$tempDir`"",
"--allow-overwrite=true",
"--retry-wait=5",
"--max-connection-per-server=8",
"--split=8",
"--min-split-size=1M",
"-i `"$ariaListPath`""
)
if (![string]::IsNullOrEmpty($regionalWorkaround)) {
$argumentList += $regionalWorkaround
}
$proc = Start-Process -FilePath $aria2Exe -ArgumentList $argumentList -NoNewWindow -PassThru -Wait
if ($proc.ExitCode -ne 0) {
Write-Warning "aria2c failed (exit code $($proc.ExitCode)). Retrying with --check-certificate=false..."
$argsRetry = $argumentList + "--check-certificate=false"
Start-Process -FilePath $aria2Exe -ArgumentList $argsRetry -NoNewWindow -Wait
}
# --- Check Signature ---
foreach ($item in $downloads) {
$outFile = Join-Path $tempDir $item.Name
if (-not (Test-Path -Path $outFile)) {
continue
}
Write-Host "Verifying signature of $($item.Name)..."
$signature = Get-AuthenticodeSignature $outFile
if ($signature.SignerCertificate.Subject -like "*CN=Microsoft Corporation*" -and $signature.Status -eq "Valid") {
if ($env:WT_SESSION) {
Write-Host "✅ Valid Microsoft signature found from $($item.Name)."
}
else {
Write-Host "[OKAY] Valid Microsoft signature found from $($item.Name)."
}
}
else {
if ($env:WT_SESSION) {
Write-Warning "⚠️ $($item.Name) is not signed by Microsoft. The download may get corrupted or your PC is infected with virus."
}
else {
Write-Warning "[WARN] $($item.Name) is not signed by Microsoft. The download may get corrupted or your PC is infected with virus."
}
$response = Read-Host -Prompt "Would you like to proceed anyway? (Y/N)"
if ($response -eq 'Y' -or $response -eq 'y') {
continue
}
elseif ($response -eq 'N' -or $response -eq 'n') {
return 1
}
else {
Write-Host "Invalid input. Please enter Y or N."
}
}
}
# --- Install DirectX ---
if ($dxInstallOption -eq "Y") {
Write-Host "Installing DirectX..."
Start-Process -FilePath "$tempDir\directx_redist.exe" -ArgumentList "/Q /T:`"$tempDir`"" -Wait
Start-Process -FilePath "$tempDir\DXSETUP.exe" -ArgumentList "/silent" -Wait
}
# --- Install VC++ Redistributables ---
foreach ($item in $downloads | Where-Object { $_.Name -like "vcredist*" }) {
if ($item.Name -Match "x64" -and $procArch -ne "AMD64" -and $buildVersion -lt 21390) {
continue
}
$exePath = Join-Path $tempDir $item.Name
if (-not (Test-Path -Path $exePath)) {
continue
}
$arguments = if ($item.Year -in @("2005", "2008")) { "/q" } else { "/quiet /norestart" }
Write-Host "Installing $($item.Name)..."
Start-Process -FilePath $exePath -ArgumentList $arguments -Wait
}
# --- Install Visual Studio 2010 Tools for Office Runtime ---
Write-Host "Installing Visual Studio 2010 Tools for Office Runtime ..."
Start-Process -FilePath "$tempDir\vstor_redist.exe" -ArgumentList "/q /norestart" -Wait
# --- Install .NET Framework 3.5 ---
if ($installNet35) {
Write-Host "Installing .NET Framework 3.5..."
if (Test-Path "$tempDir\dotnet35setup_vnext.exe") {
Start-Process -FilePath "$tempDir\dotnet35setup_vnext.exe" -ArgumentList "/quiet /norestart" -Wait
}
else {
if ($isServer) {
Dism /Online /Enable-Feature /FeatureName:NetFx3 /All
}
else {
Dism /Online /Enable-Feature /FeatureName:NetFx3
}
}
}
# --- Cleanup ---
Write-Host "Cleaning up temporary files..."
Start-Sleep -Seconds 2
Remove-Item -Path $tempDir -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item -Path $flagPath -Force -ErrorAction SilentlyContinue
# --- Show DirectX installation info for Server ---
if ($dxInstallOption -ne "Y") {
Write-Warning "DirectX wasn't installed. To install it later, execute following command:"
Write-Host "irm https://get.msvc.win/dx | iex"
}
}
function Get-UserConfirmation {
param (
[string]$Message = "Do you want to proceed? (Y/N)",
[int]$TimeoutSeconds = 10,
[string]$Default = "Y"
)
Write-Host "$Message (Option '$Default' will be selected automatically in $TimeoutSeconds seconds)"
$stopwatch = [System.Diagnostics.Stopwatch]::StartNew()
$inputChar = $null
while ($stopwatch.Elapsed.TotalSeconds -lt $TimeoutSeconds) {
if ([Console]::KeyAvailable) {
$key = [Console]::ReadKey($true)
$char = $key.KeyChar.ToString().ToUpper()
if ($char -eq 'Y' -or $char -eq 'N') {
$inputChar = $char
break
} else {
Write-Host "Invalid input: '$char'. Please press Y or N."
}
}
Start-Sleep -Milliseconds 200
}
if (-not $inputChar) {
return $Default
} else {
return $inputChar
}
}
Main
Write-Host "Press any key to exit."
$null = [System.Console]::ReadKey($true)