
When you download the tool, it will install all previous updates for Windows 7 or Windows 8.1, so you don’t have to install them one by one. The convenience rollup update contains all the patches from Febru(the release date of Windows 7 Service Pack 1) to 12 April 2016. The roll-up tool, Service Pack 2 for Windows 7, simultaneously installs all previously released updates for these systems.

Windows 7 SP1 Convenience Rollup (KB3125574) | Download from Microsoft.These new changes are being implemented to simplify and improve the reliability of updates to keep Windows 7 and Windows 8.1 more secure and up to date. In addition, moving forward Windows 7 SP1 and Windows 8.1 devices will get a single update every month containing all the non-security updates for that particular month, instead of having to download individual updates for each fix. Also, in order to get the new update, you must have installed Service Pack 1 and the April 2015 servicing stack update (KB3020369) for Windows 7. Microsoft notes that the convenience update is not a requirement for PC running this version of the operating system.

(Let’s be clear that this is NOT the Windows 7 SP2.) However, the new package doesn’t include any updates for. It contains all the security and non-security fixes published since the day Microsoft released the Service Pack 1 for Windows 7 until April 2016. The Convenience Rollup (KB3125574) is a new package that we can refer as a cumulative update.
