The update is released by Microsoft under the ID name KB3125574. The Convenience Rollup update package for Windows 7 is a cumulative update which means after you install this update, there is no need to download and install all the pending updates released up to 2018. This is the update released by Microsoft after Windows 7 SP1. It is a service pack 2 for Windows 7 which has all the critical security fixes and updates for core components required for the proper functioning of the Windows OS. Frequently Asked Questions What is Convenience Rollup Package for Windows 7 SP1?