Read more: Windows 11 review: Microsoft's OS upgrade is subtle, but we like that

With a little patience, any first-timer can do this. If you've never heard the words 'BIOS menu' you might feel out of your element, but don't be intimidated. No special skills are needed, and you'll just be clicking through menus. If your machine is new enough to support both, enabling TPM (short for Trusted Platform Module) and Secure Boot is often quite easy. The app will tell you whether your computer will support Windows 11, or what it's missing, and you can click See All Results for more information. Once you've downloaded the PC Health Check app, you can click Check Now to begin the scanning process. (Here are two other things you must do before downloading Windows 11.) Many modern computers and processing chips from Intel and AMD have these features built in, and both are now required for all machines running Windows 11. If you've tried installing Windows 11 Insider Preview or using the Microsoft PC Health Check app and were greeted with an error message reading, 'This PC can't run Windows 11,' your system might not have two essential security settings turned on: Secure Boot and TPM 2.0.

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