# Mount ISO (works on Windows 8+; on Windows 7 use alternative) $mountDrive = $null if ($PSVersionTable.PSVersion.Major -ge 6 -or [Environment]::OSVersion.Version.Major -ge 10) # Windows 10/11/Server 2016+ or PowerShell 6+ $mount = Mount-DiskImage -ImagePath $IsoPath -PassThru $mountDrive = ($mount else # Windows 7 fallback: use 7-Zip or mount via free tool? Better to guide user Write-Host "Windows 7 cannot natively mount ISO. Please extract ISO contents to a folder first." -ForegroundColor Yellow $extractedPath = Read-Host "Enter path to extracted ISO folder (or press Enter to use 7-Zip automatically if installed)" if (-not $extractedPath) # Try 7-Zip $7z = "$env:ProgramFiles\7-Zip\7z.exe", "$env:ProgramFiles(x86)\7-Zip\7z.exe" else $mountDrive = $extractedPath
# Diskpart commands to clean, partition, format, set active, assign letter $diskpartCommands = @( "select disk $diskNumber", "clean", "create partition primary", "select partition 1", "active", "format fs=ntfs quick label=WIN7USB", "assign letter=$driveLetter", "exit" ) windows 7 portable usb
# Helper: Run diskpart script function Invoke-DiskPart param([string[]]$Commands) $script = [string]::Join("`r`n", $Commands) + "`r`nexit" $script # Mount ISO (works on Windows 8+; on
# Stop on errors $ErrorActionPreference = "Stop" "create partition primary"