Consider the official manufacturer release for your needs.
Consider the official manufacturer release for your needs.
They’re always reachable to reset the copy, allowing installation on different motherboards.
Your plan to use Windows 8.1 64bit OEM should work with your existing Vista 64bit without needing a full format.
Vista!? Hmm, it looks like you might need to change the format—it's probably better that way. Don't forget to save copies of your files; otherwise, you could lose everything.
You've swapped motherboards on an OEM Windows copy countless times, but a phone activation always fixes it.