Windows is a proprietary operating system developed by Microsoft. It comes in desktop editions such as Windows 11 and server editions such as Windows Server, and uses the NTFS file system by default.
Why it matters
Windows is the most common desktop OS and a frequent choice for business servers running IIS, .NET, or Active Directory. Knowing its basics helps with troubleshooting services, permissions, and updates when a hosted application or monitoring agent runs on it.
Its configuration is spread across Settings, the Control Panel, the registry, and PowerShell.
Example
PS> Get-Service W3SVC
Status Name DisplayName
Running W3SVC World Wide Web Publishing ServiceThis PowerShell command checks the IIS web service on a Windows server.
Common mistakes
- Using the same account for administration and everyday browsing; use a standard account where you can.
- Delaying updates indefinitely, which leaves known flaws unpatched.
- Editing the registry without a backup of the key you change.
Related
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This page is general information written by our editorial team and updated when documentation changes. Servers and providers differ, so test changes safely first. See our editorial policy and disclaimer.