windows 8.1 pro serial key 2021

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How to fix Windows activation Error code: 0x8007007B ?

Some friends have an error code of 0x8007007B when activating the system. They don't know how to deal with it. In fact, we just need to change the activation key to solve the problem. Step 1 Open "Windows powershell ( Admin )" Step 2 Enter code to uninstall old product key slmgr.vbs /upk Step 3 […]

How to activate Microsoft Office 2010 by Phone?

Get the 9 group number Start the Microsoft Office 2010 application on your computer. Click File and point to Help Click Activate Product Key. The activation wizard appears on the screen. If "Activate Product Key" is not displayed under "Help", your software has been activated and no further action is required. Select the option to […]

How to fix Windows activation Error Code: 0x803F7001 ?

When you activate Winodws system by product key, activation fails and the error code 0x803f7001 pops up, how can we solve this problem? Step 1 Back to the Windows system desktop, right-click the Start button at the lower left corner of the desktop, and click the "Windows PowerShell (Administrator)" menu item in the pop-up menu. […]

The free [activation tool] will cause 100% system poisoning, crash or blue screen! Do not use [activation tool] for free!

"Activation key" is an official string used to activate the system. You only need to input this string of characters in the system to activate the system. Our product code is a regular way. It is easy to operate and can be completed by novices. There is no need to worry about poisoning the system; […]

Win11 activation method

1. After entering the win11 system, click activation to enter the activation interface of win11; 2. Then click change product key below, and then click "I recently changed the hardware of this device"; 3. Selecting a digital rights device for authorization transfer shows that VMware INC is authorized by the virtual machine, as shown in […]