The better choice is to dual boot both versions of Windows. In this case, you would use a computer that already has Windows 10, then install Windows 11 on its own volume.

Creating a dual-boot system will let you safely test Windows 10 Technical Preview using the full power of your PC's hardware alongside Windows 8.1. In Windows 10, Microsoft is doing something ...

Something to keep in mind as you apply this technique. To add the legacy Advanced Boot Options to either of the current versions of Windows, open an administrative level command line prompt.

Upgrading to a news OS can be detrimental. Here's our how to guide to dual booting Windows by separating your hard drive into two distinct partitions.