How to Properly Uninstall Linux and Get Rid of Grub Menu Loader

1. Go to the windows partition. While holding SHIFT key restart the system.
2. Chose Truobleshoot > Advanced options > Command Prompt.
3. Select the user you have access to.
4. In the cmd screen (C:\windows\system32>) type the following commands and press Enter after each one of them:
        bootrec /fixmbr
        bootrec /fixboot
        bootrec /scanos
        bootrec /rebuildbcd
5. Exit the cmd by typing exit and hit Enter.
6. Turn off the PC and turn it on .
7. Right click on My Computer and chose Manage.
8. Delete Linux partitions and extend the Windows partition which is before the unallocated partitions.