No more security patches for Windows 7 & 8. Better upgrade to Windows 10 and it is free.
Upgrade is very easy and if you dislike Windows 10 .Can always do a downgrade before 28 days .But make sure you do not delete the backup Windows 7 or 8 files .
Read all these articles , it is all over internet .
Below is the link for more information on upgrade to Windows 10 .