Operating system Chromium OS. Microsoft Windows is a family of proprietary operating systems designed by Microsoft Corporation and primarily targeted to Intel architecture based computers, with an estimated 88.9 percent total usage share on Web connected computers. The latest version is Windows 10. In 2011, Windows 7 overtook Windows XP as most common version in use. Microsoft Windows was first released in 1985, as an operating environment running on top of MS-DOS, which was the standard operating system shipped on most Intel architecture personal computers at the time. In 1995, Windows 95 was released which only used MS-DOS as a bootstrap. For
Technical features new to Windows Vista even those that do not explicitly use QoS APIs. Windows Vista includes in-built support for peer-to-peer networks and SMB 2.0. For improved network security, Windows Vista supports for 256-bit and 384-bit Diffie-Hellman (DH) algorithms, as well as for 128-bit, 192-bit and 256-bit Advanced Encryption Standard (AES) is included in the network stack itself, while integrating IPsec with Windows Firewall. Windows Vista introduces an overhaul of the previous Windows NT operating system loader architecture NTLDR. Used by versions of Windows NT since its inception with Windows NT 3.1, NTLDR has been completely replaced with a new architecture designed to address modern