I've just upgraded my activated Windows 7 Professional to Windows 10 Pro. I upgraded, rather than making a fresh install. During installation I was asked for the product key, it wasn't accepted, so I proceeded without the key. Now when I try to activate I get this error: You are [...] read more
I am trying to activate Windows Home Single Language 10 (latest build 10586) using a Windows 8.1 Single Language Product Key. But it's saying: > You are running Windows 10 Home Single Language. The Product key you entered > cannot be used to activate this edition. > Error Code: 0xc004f210 [...] read more
So, being the dummy I am, I installed Windows 10 Home over Windows 7 Pro. Right now, Windows 10 Home is unactivated because I can't use my 7 Pro key to activate 10's Home edition (I get error code: 0xc004f210 You are running Windows 10 Home. The product key you [...] read more
I have a valid lot of upgrade licenses for Windows 10 Enterprise, but the activation agent won't accept it. How do I make it accept it? I also have valid lot licenses for WinXP Pro Install and Win7 Pro Upgrade. However, I can't install those OSs -- XP doesn't install [...] read more
I have a Lenovo G580 laptop that came with pre-loaded Windows 8 on it. I did a fresh install to Windows 10 using the Microsoft Media Creation Tool and rebooted then the installer asked me for the product key, so I entered my Windows 8 key (The one I found [...] read more