Installing shouldn’t be a problem at all. Then for using the phone just Wifi only or use eSIM.
Thank you very much for you response. Been waiting to do this for a while now.
Found out the bootloader is locked. Back to the drawing board.
You did this step? https://m.primal.net/KcwR.jpg
So the problem I’ve got is, that there is currently the factory reset protection enabled and without the google account I cannot get passed this bit.