A set of frequently asked questions, often with their answers: The best thing to do first is to read the FAQ, the list of frequently asked questions (1990s+ Computer) The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
What is Microsoft Windows? Microsoft Windows is a series of operating systems and environments developed and marketed by Microsoft Corporation. The first version of Windows was released in 1985 as a graphical user interface to MS-DOS, providing multiple document support, mouse support, drop down menus, and color video drivers.
Windows Defender is a free program that Microsoft includes with Windows 10. It protects your computer from spyware, viruses and other malware (i.e., malicious software that harms your device). It used to be called Microsoft Security Essentials.. It's turned on by default when you first start up Windows 10 but can be turned off.