Microsoft is switching Windows 7 and 8.1 to monthly cumulative updates, Windows 10-style by Andy Weir Back in May, Microsoft released a 'convenience rollup' of updates for Windows 7 and Windows Server 2008 R2, and said that it would be making changes to the way that future updates would be delivered for Windows 7, 8.1, Server 2008 R2 SP1, Server 2012, and Server 2012 R2. Now, the company has announced further details regarding its plans to switch those operating systems to a monthly cadence