If you want to know how long it takes to install Windows 10 or Windows 11 from a bootable USB on your system, this post will answer your question. How long does it take to install Windows 11 from USB?
At this point, your computer will exit Windows and enter the OS installer, which could take some time. It'll restart a few times during this process, which is normal. If all goes well -- and it should ...
If Windows Update says your computer doesn't meet the Windows 11 requirements, you might just need to tweak some settings.
Windows 10 now directly installs Windows 11 25H2, rather than version 24H2 or 23H2, if you choose to upgrade instead of ...