1. Go to start and then control panel
2. In control panel find programs, uninstall a program
3. A new window will pop up and choose Microsoft office and right click on it
4. Next click uninstall this program
5. Now it will take some time for the office to get wholly removed
6. Once it gets uninstalled close the window
7. Reboot your computer
8. In case if you want to reinstall the office, log in to your account and enter a product key