Although mainstream support for Windows 7 SP1 ended on January 13, 2015, those still using this operating system have one year of free support and updates ahead. Unfortunately, once the extended support period will end, they have to upgrade, use a system that is no longer secure, or purchase extended security updates.
https://www.notebookcheck.net/Windows-7-users-ready-up-You-got-just-one-year-of-free-support-left.394331.0.html