Both operating systems will continue to receive security updates on extended support for the next five years before support is completely terminated on January 14, 2020.
Recent marketshare statistics from NetMarketShare reveal 56.26 percent of PC users are running Microsoft's Windows 7 operating system. Even 18.26 percent still uses Windows XP, which was cut-off from extended support on April 8, 2014 and is no longer receiving any security updates.