I’m going over tutorials for installing duel booting Linux Mint next to Windows 10 ioT Enterprise LTSC right now (guaranteed updates until 2032).
Was going to clean install over the computer’s drive (easiest way) but found that you can trick your current version of Windows 10 into thinking it’s getting a regular update through a few registry tweaks - thus replacing Home or Pro with LTSC while retaining all personal files, bookmarks and installed programs; bypassing having to reinstall all that stuff.
Fortunately I have a 15-year-old computer to goof up on before trying it on the newer one. Whichever way works best is way better than giving in to Redmond’s spyware posing as an operating system.
Switch Windows 10 to LTSC Without Losing Data
Whatever one does always make physical back-ups first. That little internet outage the other day was a good reminder of how dependable "the Cloud" really is.