First window I have operated Since I have started to operate computer. I am using this window from a very long period of time. I can say that its one of the best windows from microsoft.
As per my experience:
Speed: Speed is quite fast in this window as compare to succeeding versions.
Boot: Boot time of this window is moderate.
Security: Security is low as. Compare to advanced versions i.e Win. Vista, 7, 8 & 10.
Driver: All driver needs to be installed manually unlike succeeding versions, where it automatically detect sound drivers.
UI: User interface is attractive and easy to use.