How to Activate Windows XP Without a Genuine Product Key:
STEP 1: click the start button and find Run
STEP 2: type Regedit
STEP 3: click the plus next to HKEY_LOCAL_MACHINE and then click SOFTWARE
STEP 4: Click the plus next to Microsoft, then find Windows NT and click it.
STEP 5: Click the plus to CurrentVersion and the click WPAEvents.
STEP 6; On the right panel, find OOBETimer and double click it.
STEP 7: Now, highlight all values shown there, then delete them
STEP 8: Then type in the following value: FF D5 71 D6 8B 6A 8D 6F D5 33 93 FD
STEP 9: and then click OK
STEP 10; Next, on the left panel, right-click WPAEvents then click on Permissions.
STEP 11: Click SYSTEM
STEP 12; Click the box Deny Full Control then click ok
STEP 13; Click “YES” and exit the Registry Editor.
STEP 14: To verify that it works, Click on Start and then Activate Windows
If these options don’t work, type this in the space provided: %systemroot%\system32\oobe\msoobe.exe \a
STEP 15; Click on ACTIVATE ON THE PHONE and then CHANGE Product Key
STEP 16: Type: THMPV – 77D6F – 94376 – 8HGKG – VRDRQ
STEP 17: Click UPDATE and then click REMIND ME LATER
STEP 18: Restart computer
STEP 19: Once your computer is back up, click START button and “RUN and %system and then click ok
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