Windows

1. Versions

1.1. Windows 1.0 (1985-1987)

1.2. Windows 2.0-2.11 (1987-1990)

1.3. Windows 3.0 (1990-1994)

1.4. Windows 95 (1994-1998)

1.5. Windows 98 (1998-2000)

1.6. Windows XP (2001-2005)

1.7. Windows Vista (2006-2008)

1.8. Windows 7 (2009-2011)

1.9. Windows 8.0 (2012-2013)

1.10. Windows 8.1 (2013-2014)

1.11. Windows 10 (2015)

2. Internet

2.1. Google Chrome

2.2. Internet Explorer

2.3. Safari

2.4. Opera

2.5. Mozilla Firefox

3. About

3.1. Operating system invented by Microsoft

3.2. The most widely used OS

3.3. Graphical user interface

3.4. Multitasking

3.5. Multilingual support

4. Security

4.1. Parental control

4.2. Malware protection

4.3. Firewall

4.4. Automatic updating

4.5. Windows defender

4.6. File permissions

4.7. Third-party analysis