There are two official methods to acquire the ISO file. Method 1 is the easiest.
Getting the ISO link is half the battle; booting from it is the other half. acronis cyber protect home office bootable iso link
An ISO file alone won't help you; you need to put it on a USB stick. Here is how to turn that ISO into a rescue drive. There are two official methods to acquire the ISO file
Requirements:
Software to use: Do not just copy/paste the ISO. Use Rufus (Free, Windows) or BalenaEtcher (Mac/Windows/Linux). Software to use: Do not just copy/paste the ISO
Instructions (using Rufus):