You get access to this and similar beta releases by signing up for the Windows “Insider” program. Google Windows insider and follow the Microsoft links.
I can add you in the morning, I’m not on my computer at the moment, just a mobile.
Thanks I’ll check into that=- probably have to be a bit of a computer guru though to be accepted as beta tester? Do you know if beta os’s stop being free after the beta tests? Probably what I’d do is try it out on an old failing drive so that it wouldn’t matter if it’s buggy or not as the drive will be on it’s way out anyways- or buy a real cheap drive to use just for it