Serial number validation
I own five Windows 7 Ultimate licences none are in use as I am now fully MAC IOS 9, with the latest MacBook.
I decide to install adware fusion 8 to my MacBook and dual boot a free upgrade to Windows 10 via a downloaded iso but encounters serial number issues.
FIrstly none of my passwords passed validation despite being legitimate, however I can install and validate with them.
Secondly having installed Windows 7 on my MacBook and then Windows 10 free ISO upgrade I get told to buy a license.
Can anyone throw some light on this as I am entitled to use Windows 10 free (private use) but every obstacle possible seems to be stopping me.
THanks for any suggestions in advance.
MacBook (Retina, 12-inch, Early 2015)