Windows XP with SP2 and SP3
Windows XP service packs 2 and 3. AGN
Windows NT4 Service Pack4 and Windows XP Professional
Support for Microsoft Windows Vista can no longer be found since Microsoft no longer supports that operating system. You must update to Windows Vista service pack 1 or 2 to get support from Microsoft.
Windows 98, Windows 2000, and Windows XP all support USB
Windows 7 IS an operating system... Maybe you should be asking what processors support Windows 7?
Windows x.p
Most modern operating systems (Windows, Linux, Unix, mainframes) support SSH and SSL.
A "service."
Windows NT is a very old operating system. The technology for PNP was not available when NT was written.
In PC based systems, the Operating System (OS) is usually referred to as * Windows XP * Windows Vista
Windows 95 & Windows 98
Because they are operating systems! These operating systems (and others) support web browsers which are applications that run on the operating system.