Open Settings > Apps > Installed Apps. Search the list for McAfee. Next to each result, click the Elipsis (...) and click Uninstall. You can reboot as prompted or reboot after all of them are done. ... Feel free to run the MCPR tool;
McAfee Consumer Product Removal Tool is designed for the complete removal of McAfee Security products in order to reinstall or install a different antivirus.
Click Programs and Features, (or Add or Remove Programs). In the list, right-click your McAfee app. Click Uninstall, then follow the prompts. Restart your PC.
Method A: Select [Settings] > [Apps] > [Installed Apps] from the taskbar. Choose the McAfee application you wish to remove, then select [Uninstall].