Write-Host "=== Windows 7 Bootable USB Creator ===" -ForegroundColor Cyan Write-Host "ISO : $IsoPath" Write-Host "USB : $UsbDriveLetter" Write-Host "WARNING: All data on $UsbDriveLetter will be DESTROYED!" -ForegroundColor Yellow $confirm = Read-Host "Type YES to continue" if ($confirm -ne "YES") Write-Host "Aborted." -ForegroundColor Red exit 0
<# .SYNOPSIS Creates a bootable Windows 7 USB drive from an ISO file. .DESCRIPTION This script formats a USB drive, makes it bootable (MBR + NTFS), and copies all Windows 7 setup files from an ISO. .NOTES Version: 1.0 Author: Generated for Windows 7 USB creation Requires: Administrative privileges, USB drive (4GB+ for 32-bit, 8GB+ for 64-bit) #>
$driveLetter = $UsbDriveLetter[0] $drivePath = $UsbDriveLetter + "\"
# Clean up mount if ($mountDrive -match "^[A-Z]:\\?$" -and $mountDrive -ne $tempExtract -and (Get-PSDrive -Name $mountDrive[0] -ErrorAction SilentlyContinue)) Dismount-DiskImage -ImagePath $IsoPath -ErrorAction SilentlyContinue elseif ($tempExtract -and (Test-Path $tempExtract)) Remove-Item $tempExtract -Recurse -Force -ErrorAction SilentlyContinue windows 7 portable usb
# 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) Get-Volume).DriveLetter + ":" 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) Select-Object -First 1 if ($7z) $tempExtract = Join-Path $env:TEMP "win7usb_iso_extract" Remove-Item $tempExtract -Recurse -Force -ErrorAction SilentlyContinue New-Item -ItemType Directory -Path $tempExtract -Force else Write-Host "Please install 7-Zip or manually extract ISO contents and rerun." -ForegroundColor Red exit 1 else $mountDrive = $extractedPath
# Validate USB drive letter if (-not ($UsbDriveLetter -match "^[A-Za-z]:$")) Write-Host "Invalid drive letter format. Use like D: or E:" -ForegroundColor Red exit 1
#Requires -RunAsAdministrator
# Check if USB drive exists if (-not (Test-Path $drivePath)) Write-Host "Drive $UsbDriveLetter does not exist or is not ready." -ForegroundColor Red exit 1
# Copy files to USB Write-Host "Copying Windows 7 setup files to USB (this will take several minutes)..." -ForegroundColor Green if ($mountDrive -match "^[A-Z]:\\?$") # It's a drive letter (mounted ISO) Copy-Item -Path "$mountDrive\*" -Destination $drivePath -Recurse -Force else # It's a folder path Copy-Item -Path "$mountDrive\*" -Destination $drivePath -Recurse -Force
It works on Windows 7 itself (with PowerShell 2.0+) or newer Windows versions. Write-Host "=== Windows 7 Bootable USB Creator ==="
param( [Parameter(Mandatory=$true, HelpMessage="Path to Windows 7 ISO file")] [ValidateScript(Test-Path $_ -PathType Leaf)] [string]$IsoPath, [Parameter(Mandatory=$true, HelpMessage="USB drive letter (e.g., D: or E:)")] [ValidatePattern("^[A-Za-z]:$")] [string]$UsbDriveLetter )
$diskNumberLine = diskpart /s (New-TemporaryFile | % $_.FullName; Set-Content $_.FullName "select volume $volNumber`nlist disk`nexit" ) $diskNumber = $diskNumberLine | Select-String -Pattern "\*" | ForEach-Object $_ -replace '.*Disk (\d+).*', '$1' | Select-Object -First 1 if (-not $diskNumber) Write-Host "Failed to get physical disk number." -ForegroundColor Red exit 1