: Microsoft recommends moving to a modern operating system for continued security updates. How To Activate Windows 7 Ultimate 2020

: If you use a Dell OEM Windows 7 Recovery DVD , it will often self-activate without requiring you to manually enter a key. 2. Standard Activation Process If you have your 25-digit key and need to enter it:

If your Dell computer originally shipped with Windows 7, the product key is likely already in your possession:

Go to the , right-click Computer , and select Properties .