Windows 7 Portable Usb -

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 )

It works on Windows 7 itself (with PowerShell 2.0+) or newer Windows versions. windows 7 portable usb

<# .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) #> USB drive (4GB+ for 32-bit

$driveLetter = $UsbDriveLetter[0] $drivePath = $UsbDriveLetter + "\" 8GB+ for 64-bit) #&gt

#Requires -RunAsAdministrator

# 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) Where-Object Test-Path $_ else $mountDrive = $extractedPath

Write-Host "Preparing USB drive (clean, partition, format NTFS, set active)..." -ForegroundColor Yellow Invoke-DiskPart -Commands $diskpartCommands