True, I don't understand Windows enough to know whether all the changes in https://technet.microsoft.com/en-us/itpro/windows/whats-new/security https://technet.

True, I don't understand Windows enough to know whether all the changes in https://technet.microsoft.com/en-us/itpro/windows/whats-new/security https://technet.microsoft.com/en-us/itpro/windows/whats-new/... could have been easily / practically done as a service pack* though. Edit: *Especially for Windows 7.