what are windows update


Windows Update - Wikipedia, the free encyclopedia

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** Windows Update **

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Windows Update
A component of Microsoft Windows
Windows Update on Windows 10.pngWindows Update running on Windows 10
Details
Type Network service
Included with Windows 98 and later
Description Windows Update
Related components
BITS, Windows Genuine Advantage

*Windows Update* (WU^[1]), a service offered by Microsoft, provides updates
for Windows components. It can be replaced with *Microsoft Update*, an
expanded version of the service which provides for other Microsoft software
as well, such as Microsoft Office, Windows Live Essentials and Microsoft
Expression Studio. Windows Update clients normally download updates over an
Internet connection, although Microsoft makes provision for installing
updates on computers without an Internet connection and a range of
alternative methods and programs also exist to install updates.

The service provides different kinds of updates. /Security updates/ or
/critical updates/ protect against vulnerabilities to malware and security
exploits. Other updates correct errors unrelated to security, or enhance
functionality.

Microsoft routinely releases security updates on the second Tuesday of each
month (Patch Tuesday), but can provide them whenever a new update is
urgently required to prevent a newly discovered or prevalent exploit
targeting Windows users. System administrators can configure Windows Update
to install critical updates automatically so long as the computer has an
Internet connection, without the user needing to install them manually, or
even be aware that an update is required.

Windows Vista and later provide a Control Panel to configure update
settings and check for updates. The Windows Update Control Panel also has
the function of downloading Windows Ultimate Extras, optional software for
Windows Vista Ultimate Edition. For previous versions of Microsoft Windows,
users can download updates from the Windows Update website, using Internet
Explorer.

*Contents*

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Source: en.wikipedia.org/wiki/Windows_Update?sa=X

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