Some people have no time to do searching, lol. I don't think you can completely remove it, but you can disable it by following some steps. Here are two links: http://xtendedview.com/computer/windows-8/disable-windows-defender-in-windows-8/740/ https://www.isunshare.com/windows-8/3-ways-to-disable-windows-defender-on-windows-8-8.1.html I hope you have a plan to protect device before disabling it.