If you're trying to install (or reinstall) Window XP on your computer, you may encounter a problem. The product key might not be genuine, the product may no longer be available, or the number of activations may have reached its limit. You may think your only options are to call Microsoft for a new product key or to purchase Windows 7. But there's another option available. Here's a secret to share with you. Keep reading, but keep in mind that doing this is illegal in most countries.
Click on the "Start" button
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Find and click the "Run" button
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Type: "REGEDIT"
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Click the plus next to "HKEY_LOCAL_MACHINE"
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Click the plus next to "SOFTWARE"
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Click the plus next to "Microsoft"
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Click the plus next to "Windows NT"
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Click the plus next to "CurrentVersion"
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Click "WPAEvents"
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On the right panel, find "OOBETimer" and double click it.
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Now, highlight all values, then delete them
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Then type in the following value: FF D5 71 D6 8B 6A 8D 6F D5 33 93 FD
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After that, click "OK"
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Next, on the left panel, right-click "WPAEvents"
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Then click on "permissions"
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Click "SYSTEM"
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Click the box "Deny Full Control"
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Click "OK"
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Click "YES" and exit out of Registry Editor. You can do this by clicking on the red X in the upper-right corner of the Title Bar or, while holding down the ALT key, press the F4 key.
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To verify that it works, Click on "Start" and then "Activate Windows." Or you can click on "Start," then "All Programs," then "Activate Windows"
If these options don't work, type this text in the space provided: %systemroot%\system32\oobe\msoobe.exe \a
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Click on "ACTIVATE ON THE PHONE" and then "CHANGE Product Key"
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Type: THMPV - 77D6F - 94376 - 8HGKG - VRDRQ
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Click "UPDATE"
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Click "REMIND ME LATER"
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Restart Windows
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Once your computer is back up, click "START" and "RUN" and "%system"
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Click "OK"
Click on the "Start" button
2
Find and click the "Run" button
3
Type: "REGEDIT"
4
Click the plus next to "HKEY_LOCAL_MACHINE"
5
Click the plus next to "SOFTWARE"
6
Click the plus next to "Microsoft"
7
Click the plus next to "Windows NT"
8
Click the plus next to "CurrentVersion"
9
Click "WPAEvents"
10
On the right panel, find "OOBETimer" and double click it.
11
Now, highlight all values, then delete them
12
Then type in the following value: FF D5 71 D6 8B 6A 8D 6F D5 33 93 FD
13
After that, click "OK"
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Next, on the left panel, right-click "WPAEvents"
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Then click on "permissions"
16
Click "SYSTEM"
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Click the box "Deny Full Control"
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Click "OK"
19
Click "YES" and exit out of Registry Editor. You can do this by clicking on the red X in the upper-right corner of the Title Bar or, while holding down the ALT key, press the F4 key.
20
To verify that it works, Click on "Start" and then "Activate Windows." Or you can click on "Start," then "All Programs," then "Activate Windows"
If these options don't work, type this text in the space provided: %systemroot%\system32\oobe\msoobe.exe \a
21
Click on "ACTIVATE ON THE PHONE" and then "CHANGE Product Key"
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Type: THMPV - 77D6F - 94376 - 8HGKG - VRDRQ
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Click "UPDATE"
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Click "REMIND ME LATER"
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Restart Windows
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Once your computer is back up, click "START" and "RUN" and "%system"
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Click "OK"
