Making an ISO image of a hard drive means creating a 1-to-1 backup copy that consists of a .iso file. Here are two ways to do just that.

If you do not see the Recovery Partition in Disk Management, you can create it. Learn how to add Recovery Partition in Windows 11/10 computer.

A special parameter in the Windows 11 Format command will overwrite all data on a hard drive with random numbers, eliminating access to sensitive information.

How to Create a Recovery Drive to Rescue Your Failing Mac Is your Mac about to crash?

To enable and configure it, type restore in the search bar, and select Create a restore point from the results. Choose your system drive, click on Create, and enter a name for your recovery save.