Follow the steps if you want to know how to uninstall McAfee on Windows 8:
1. From the Charms bar, select Start to access the list of programs installed on your computer. You can also press the Windows key and get access to it.
2. Find the McAfee product, right-click it, and select Uninstall.
3. On the directed programs and features window, select the McAfee product you want to remove.
4. Then, choose Uninstall/Change
5. Wait until your Windows 8 device uninstalls the software completely.
6. After all, restart your computer and check if the program was uninstalled.
For more info: https://guideet.com/how-to-uninstall-mcafee/