The Windows CD/Install ISO way to fix the boot manager will leave you without a linux boot entry—>that’s what I was going to advise you to do until i realized that Windows will take over the boot and Linux will need to be started using the F boot menu key of your main board.
I also found this on this forum: it is from 2023: again wait for an expert to chip in before trying something that may end up with data loss:
BUT-you do you.
Only YOU know how technically knowledgeable you are.
IF you feel you got his then please, don’t listen to me.
Cheers.