Windows 10 Professional 32 64 bit retail key available for instant delivery on ElectronicFirst.com
www.electronicfirst.com
$5.00 product key. It is advertised as a retail product key which should allow you to upgrade directly by just changing the product key. But, if it turns out to be OEM, you can use an OEM Pro key to do the upgrade; you must:
1. Disconnect the computer from the internet - turn off WiFi, disconnect any ethernet cables.
2. Upgrade to Pro by changing the product key to the Windows 10/11 Pro product key: VK7JG-NPHTM-C97JM-9MPGT-3V66T
3. Once the upgrade completes, reconnect the computer to the internet. You will have Windows 11 Pro, but it will not be activated.
4. Change the product key to the Windows 10/11 Pro product key you purchased. This will activate Windows 10/11 Pro and give you a permanent digital license for Windows 10/11 Pro.
5. To avoid any problems that may happen with the Windows 10 Pro OEM product key you purchased, change the installed product key back to VK7JG-NPHTM-C97JM-9MPGT-3V66T
Even if the purchased product key is retail and lets you upgrade directly, still do step 5. above.
Windows 10/11 activations are with digital licenses and changing the product key to the generic retail product key does two things; it transfers the digital license to the retail channel which makes it transferrable via a Microsoft Account and it disassociates the purchased product key from the digital license which eliminates any future problems with the purchased product key from affecting your digital license.