How to install malwarebytes on windows 10? With key to feel safe and make your window PC safe from varoius threats like malware spyware etc. Malwarebytes is a substitute to Antivirus; it does play nice with antivirus installed on Windows and facility along with it without any. You can install any antivirus software that you need into Windows 10. I have Malwarebytes and Bitdefender installed at the instant.