How to Make Windows XP Geniune

How to make windows XP Professional Genuine (works with SP 2 also)
Windows XP *might* cease to function (or you might not be able to go to Windows Update -- or you might have to activate Windows) when you install Service Pack 1 if you installed it using the CD-KEY
"FCKGW-RHQQ2-YXRKT-8TG6W-2B7Q8"

If you haven't already installed Windows XP, then please use
“DP2RT-3B8YR-4JXWB-HHGPK-82FWB”

Before you install Windows XP Service Pack 1

Click "Start" at the bottom, left-hand corner of the screen and go to
"Run..."

Type in "regedit" and click "OK" (or press ENTER).

Click the "+" next to "HKEY_LOCAL_MACHINE"
Click the "+" next to "SOFTWARE"
Click the "+" next to "Microsoft"
Click the "+" next to "Windows NT"
Click the "+" next to "CurrentVersion"
Click "WPAEvents"

On the right, double click on "OBBETimer" and change at least one digit of
this value to deactivate windows (ie: double click "71" and change it to
"44" or whatever).

Click "OK" and close the Registry Editor.

Click "Start" at the bottom, right-hand corner of the screen and go to
"Run..."
Type in "%systemroot%\system32\oobe\msoobe.exe /a" and click "OK" (or press
ENTER).

This will bring up the "Activate Windows" window.

Check the option for "Yes, I want to telephone a customer service
representative to activate Windows" and click "Next"

Then click "Change Product Key" (don't enter any information on that screen)

Type in the new key (DP2RT-3B8YR-4JXWB-HHGPK-82FWB) and click "Update"
Try this one too VHHWK-69Y6M-WM8YD-MB8TR-K86FB
At the next window, click "Remind Me Later" and restart your computer.

Click "Start" at the bottom again (to see if everything's okay), right-hand
corner of the screen and go to "Run..."
Type in "%systemroot%\system32\oobe\msoobe.exe /a" and click "OK" (or press ENTER).

If you see "Windows is already activated" then break out the Champaign!
You're safe now. Install Service Pack 1 when you get it, and enjoy!!

If you have done this wrong or you typed in the key incorrectly you will not
be able to boot. Hit F8 and select "Last known good configuration" to
restore and try again.