Thanks fafhrd. I think I might have to buy the W10 retail and see if I can upgrade from non-genuine W7 while keeping existing apps. Worst case is that the upgrade doesn't work at all - then I'll...

Thanks mystere. My main concern is I don't want to have to reinstall a whole lot of software and apps. I know this is an option if you upgrade from W7 to W10. I am just not sure if this an option if...

My computer runs a non-genuine version of Windows 7 Pro. If I buy a legit new windows 10 Pro Retail disk can I upgrade from my non-genuine W7, or do I need to do a clean install of W10 (and then...