Category: Blog

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 “slmgr.vbs -upk”,Remove the existing Product Key

slmgr.vbs -upk

This method is applicable to multiple Windows systems, such as Windows 7 / 8 / 8.1 / 10 / 11, WIndows Server 2008 / 2008 R2 / 2012 / 2012 R2 / 2016 / 2019 / 2022. It is not limited to the system edition, such as standard, enterprise, datacenter, home, pro ( professinal ), essentials, ultimate, web, hpc, express, premium, education, Pro for Worksations, education N etc

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 in the figure below, click to Next.

4. Installation completed

After the installation is completed, you can select the workload. It is recommended to check what you can use. Selecting all will occupy a lot of memory. If the learning content is increased later, you can still download it again. If you only want to learn c/c++, check it as shown in the following figure.

5. Installation position

Click Change to change the installation location. For the three files, you have selected different folders on disk D, as shown in the following figure (Note: VS IDE is placed in the default location, which may run faster)

6. Complete the above operations, click Install, and wait for the download to complete.

2、 Test installation succeeded

1. Create a project

Step 1: Open VS and click Create New Project

Step 2: Click on the empty item

Step 3: Enter your own project name in the project name; select the storage location of the project in the location (it is recommended to create a separate folder for storing the project in the future) and finally click Create to complete the project creation.

2. Create a source file

After the mouse finds the source file, right-click, click Add , and then click New Item . After selecting the c++ file , change the storage location and source file name , and then click Add to complete the creation of the source file.

3. Write code

Once the project and source files have been created, the code can be written.

4. Compile the code + run

• Method 1: Shortcut key ctrl+f5
• Method 2: Click on the local Windows debugger

5. Running results

The running result is shown in the figure above, which proves that the VS2022 installation is complete, and congratulations on the completion of your own first c language project.

If you want to buy Visual Studio 2022 Product Key, please order the link directly

• Buy Visual Studio 2022 Professional Product Key
• Buy Visual Studio 2022 Enterprise Product Key

1. When Windows 11 is not activated, the watermark that Windows needs to activate will appear in the lower right corner of the desktop. It will have a great impact on daily operations, such as forcing the content into the process of screen recording and screenshots. Give people a bad look and feel.

2. When Windows 11 is not activated, it is impossible to personalize the desktop background and theme. The wallpaper and theme color will become gray, and the Microsoft account will not be synchronized, nor can the main settings of the account be synchronized on the Microsoft device. The user experience will drop a lot every time you turn on the phone.

3. When Windows 11 is not activated, the performance will be affected in part. Part of the power consumption of Windows’ inactive CPU will not be released, and the virtual memory of the computer will often account for more than 3G. Whether you play games or watch TV, you will feel stuck when using project files.

4. The Windows 11 system is not activated and cannot use the synchronization function of Microsoft account. It can synchronize settings on different Microsoft devices.

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2012 R2 Standard you type:

dism /online /set-edition:serverstandard /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2012 R2. It will upgrade Windows Server 2012 R2 Evaluation to Standard.

Buy Windows Server 2012 R2 Standard Product Key

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2012 R2 Datacenter you type:

dism /online /set-edition:serverdatacenter /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2012 R2. It will upgrade Windows Server 2012 R2 Evaluation to Datacenter.

Buy Windows Server 2012 R2 Datacenter Product Key

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2016 Standard you type:

dism /online /set-edition:serverstandard /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2016. It will upgrade Windows Server 2016 Evaluation to Standard.

Buy Windows Server 2016 Standard Product Key

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2016 Datacenter you type:

dism /online /set-edition:serverdatacenter /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2016. It will upgrade Windows Server 2016 Evaluation to Datacenter.

Buy Windows Server 2016 Datacenter Product Key

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

You will see Windows Server 2019 editions you can upgrade

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2019 Datacenter you type:

dism /online /set-edition:serverdatacenter /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2019. It will upgrade Windows Server 2019 Evaluation to Datacenter.

Buy Windows Server 2019 Datacenter Product Key

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

You will see Windows Server 2019 editions you can upgrade

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2019 Standard you type:

dism /online /set-edition:serverstandard /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2019. It will upgrade Windows Server 2019 Evaluation to Stardard.

Buy Windows Server 2019 Stardard Product Key

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2022 Stardard you type:

dism /online /set-edition:serverstandard /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2022. It will upgrade Windows Server 2022 Evaluation to Stardard.

Buy Windows Server 2022 Strandard Product Key

Step 1: You open cmd (run as administrator), then you type

dism /online /get-targeteditions

Step 2: You copy and paste this code in cmd

If you want to upgrade to Windows Server 2022 Datacenter you type:

dism /online /set-edition:serverdatacenter /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula

Note:

if you see “upgrade failed”, you restart your Windows Server 2022. It will upgrade Windows Server 2022 Evaluation to Datacenter.

Buy Windows Server 2022 Datacenter Product Key

1. If you cannot log out or open this page, you need to restart the computer with the power button.

2. After the computer restarts several times, it will enter the system repair page and click “Advanced Options”.

3. Click to enter “Troubleshooting”.

4. We choose Advanced Options. If we can’t get in, we have to reset the computer.

5. You need to enter Start Settings. Press “F4” on the keyboard to enter the safe mode.

6. Click in the security mode to enter Windows Update, and select Update History.

7. Then enter the “Uninstall Updates” page, uninstall some recent update files, and restart the computer to solve the problem.