The safest way to get Windows is directly from the official Microsoft website.
Then, a file I’ve never seen: you.old . windows 121 iso file install
An ISO file alone cannot install Windows. You need to transfer it to a USB drive that your computer can boot from. Here are three proven methods. The Ghost in the Build: Installing Windows 121
: Follow the on-screen instructions to complete setting up Windows, including choosing your region, setting up a user account, and signing in. including choosing your region