What should I do if the win10 start menu is not open?

  
1. Right click the start button, open the control panel

2, select “system and security>

3, click “Add features toWindows 10 Technical ... (Get new windows more Function)

4, a page will appear, "How do you want to start..", there are two options, select “ I have purchased the product key &

5, enter the key: NKJFK GPHP7 G8C3J P6JXR HQRJR (this pro test is feasible, if not, please search for other keys online)

6, click Next, the system will download the update, the update will restart, restart The update will be installed during the process, waiting for the update to complete and you're done


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