Find the install.wim file inside your mounted ISO ( sources\install.wim ). Then run:

Software like Rufus or Hasleo WinToUSB is necessary to bypass standard installation restrictions. Method 1: Installing via Rufus (Recommended)

Rufus is a free, lightweight tool that is widely used for creating portable Windows drives.

Installing Windows on an external hard drive allows you to carry a fully functional, portable operating system that you can boot on almost any PC. While Microsoft officially discontinued its native "Windows To Go" feature for newer versions, you can still achieve this using reliable third-party tools. Before you begin, ensure you have the following components:

. Rufus will ask which Windows edition you want (Home, Pro, etc.) and may offer to disable certain requirements like TPM or let you create a local account automatically. Microsoft Community Hub +3 3. Boot from the External Drive Once Rufus finishes (this can take 20–40 minutes), you need to tell your computer to start from the external drive instead of the internal one. Microsoft Community Hub +1 Restart your PC and immediately press your BIOS/Boot Menu key (usually