I have multiple Windows 7 and Windows 8 license keys for existing laptops and purchased keys from the past. I want to take advantage of the free upgrade to Windows 10.

Since the deadline for the...

Solution

If you want Windows 10 installer to ignore your OEM license key that is embedded in your BIOS, then you need to use the ei.cfg method. One would use this approach if they have a valid...

I ended up using the ei.cfg method as I mentioned eariler.

I do NOT want to use the PID.txt approach. The reason for this is because I have other valid keys for Windows 7 and 8 that are either...

I was hoping for an more proper approach to bypass or ignore the default OEM key embedded in the BIOS. I want to do a vanilla (clean) install of Windows 10.

I did find a temporary solution, using...

I have a Lenovo Z510 laptop which originally came with Windows 8 Home. However, I wiped the HDD and reinstalled Windows 8 Pro using a valid key I purchase from school. Now I want to upgrade to...