Make your Pen Drive bootable using the RescueZilla ISO file. Shutdown your PC and boot it from the bootable Pen Drive. Connect your external hard disk to save the backup. Launch RescueZilla.

Not widely known by PC users, is that there is an option to boot from a USB drive within a running Windows 11/10 OS installation. Here's how!

If you plan to install Windows 11 on your device, you're likely to need a bootable USB drive, and here are two ways to create one.

3. When the computer restarts, it should boot from the USB drive and automatically start the Windows 10 installation program. Now you can just follow the instructions to install Windows to your PC.