For those using the older version of Windows 10, version 1511, you will no longer receive security updates for the OS. It’s time to update that 2 year old version!
After October 10, 2017, Windows 10 devices running version 1511 will no longer receive security and quality updates. Microsoft recommends updating devices to the latest version of Windows 10 by visiting the Windows Security page and selecting Verify you’re updated to manually update your device . For additional info, check out the Windows lifecycle fact sheet.
Since version 1511 was released in November 2015, Microsoft has released additional feature updates that build upon each other, delivering the newest features and more comprehensive security. Windows 10 was designed as a service, whereby feature updates are required a couple times a year. For most consumers, both quality and feature updates are delivered automatically according to their Windows Update settings.