Hey Guys! I have yesterday downloaded Windows 10 Insider Preview from Microsoft. And I have installed the Home Edition but anyway can I install a third party anti virus in it? Like Bitdefender or Norton, But I have tried to install bitdefender but after installing my copy of Windows started to crash 'Critical_Process_Ended" or something similar to its is it a just a crash for some problem or it will repeat everytime I try to install bitdefender I have tried only once and it waas crash I am scred that it may result again if I try to install kindly help me out.