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How To Uninstall System Product Key?

When we are activating or using the system, we sometimes encounter some errors, such as the activation code is invalid, the activation code expires, and we need to uninstall the original activation code. So how do we uninstall the system product key? Open Windows "Start", click "Run" Input "cmd" Boot up a Command Prompt Input […]

Visual Studio 2022 Installation Tutorial

1、 VS Installation 1. VS official website: click here After entering the official website, find Community 2022 (Community Edition) -- developers can use it for academic purposes for free and open source. 2. After clicking in, the vs.exe file will be automatically downloaded (as shown in the figure below): 3. After downloading, as shown […]

How to fix Windows activation Error code: 0xC004C008 ?

When you are activating, the computer prompts an error " We can't active Windows on this device because the product key was already used on another device". If you bought this product key, not find it on the internet, it should not have been used by others, so how to solve this problem? Step 1 […]

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 […]

The Win11 taskbar icon mysteriously disappeared? Teach you how to repair

A friend fed back a strange question - the icon in the task bar of Win11 disappeared mysteriously. You can still call out the corresponding software by clicking the mouse, but you can't see the icon. How to solve this problem? In fact, some users have mentioned similar problems in Microsoft's feedback center before, and […]