Windows 8.1 will have security updates until January 10, 2023: http://windows.microsoft.com/en-us/windows/lifecycle http://windows.microsoft.com/en-us/windows/l

Windows 8.1 will have security updates until January 10, 2023: http://windows.microsoft.com/en-us/windows/lifecycle http://windows.microsoft.com/en-us/windows/lifecycle "6. What is the difference between Mainstream Support, Extended Support" https://support.microsoft.com/en-us/lifecycle#gp/lifePolicy https://support.microsoft.com/en-us/lifecycle#gp/lifePolicy