Update 2 -----
The Windows 10 that was on the hard drive ended up not reactivating! (I was told it would not, but had to try it)
I'll make a long story short here. Ended up formatting the hard...

Yes, it was a retail copy of Windows 8.1 that I used my free upgrade to Windows 10.
A window popped up that says "Windows Professional Edition: Windows is in notification mode"
Yes, I changed from...

I just want everyone to know that it worked just fine. I took the plunge and just went for it. Built the new system, configured the BIOS, shut the system down, plugged in the hard drive and BOOM!...

No one else can help with this?

Hi all.
I am wondering if some of you might be able to help me. I am going to be upgrading my current system (specs in bio) to the following hardware:
Motherboard: Asus M5A78L-M/USB3 mATX
CPU:...