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.

Kurt "CyberGuy" Knutsson shows you how to back up your Windows computer to protect your files in case of a bad update, or if you spill coffee on your laptop.

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!

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.

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.

How to wipe a Mac hard drive You can wipe your Mac's startup drive using the Disk Utility, but you need to boot your computer in a special way first. 1.