Microsoft Windows

An operating system is a set of programs for managing your computer.

Windows is an operating system developed by Microsoft Corporation. Windows is a paid operating system that is activated with a license key.

This operating system starts at the same time as the computer is turned on. It allows the user to work with files, use the Internet and run programs, games, music.

Basic Windows Apps and Software:

• Calculator
• Notepad
• Paint photo editor
• Edge browser for surfing the Internet
• Music and video player
• Antivirus

Windows versions:

• Home Edition. This is the version for home use with simple functionality.
• This is the version for more advanced users with improved functionality.
• Enterprise - a version for corporate organizations.

Operating system versions

• Windows 1.0 (1985)
• Windows 2.0 - 2.1 (1987-1988)
• Windows 3.0 - 3.2 (1990-1994)
• Windows NT 3.1 - 3.51 (1993-1995)
• Windows 95 — Windows 4.0 (1995)
• Windows NT 4.0 (1996)
• Windows 98 — Windows 4.1 (1998)
• Windows 2000 — Windows NT 5.0 (1999)
• Windows ME — Windows 4.9 (2000)
• Windows XP — Windows NT 5.1 - 5.2 (2001-2005)
• Windows Vista — Windows NT 6.0 (2006)
• Windows 7 — Windows NT 6.1 (2009)
• Windows 8 — Windows NT 6.2 (2012)
• Windows 8.1 — Windows NT 6.3 (2013)
• Windows 10 — Windows NT 10.0 (2015)
• Windows 11 — Windows NT 10.0 (2021)

The Windows operating system is installed on more than 90% of all computers.