Microsoft have recently collected all updates going back to SP1 and created a 'Convenience update' which contains most of them:
Windows 7 SP1 and Server 2008 R2 SP1 convenience roll-up now available at a download location near you! (KB3125574)
This roll-up is currently categorized by Microsoft...
2016
compatibility
convenienceupdate
hotfixes
installation
kb3125574
microsoft
non-security updates
optional update
performance
roll-up
security updates
service pack 1
software
sp1
system maintenance
update catalog
updates
windows 7
windows server
