connorh01 :
but just to confirm, i will not have to pay anything extra?
If and only if you can link it to your MS account, you can probably keep that same license.
I'm in the process of doing exactly this with my wife's PC upgrade.
Currently, it is failing. "Try again later". Might be related to BlackFriday overload. Who knows.
I have, however, done exactly this on other systems.