Download: Wusa Exe [top]

Note: wusa.exe is a built-in Windows system component (Windows Update Standalone Installer). You do not and should not download it from third-party websites. It is included in Windows Vista, 7, 8, 8.1, 10, and 11. Feature name: Windows Update Standalone Installer Executable: wusa.exe Typical location: C:\Windows\System32\ Purpose: Install, uninstall, or query standalone Windows update packages ( .msu files). 2. Key Features & Capabilities | Feature | Description | |---------|-------------| | Install .msu updates | Apply an update package to the current Windows system. | | Uninstall .msu updates | Remove previously installed updates (if the update supports uninstall). | | Quiet installation | Run without user interaction (silent mode). | | Logging | Generate detailed log files for troubleshooting. | | Restart control | Suppress automatic restarts or force restart when needed. | | Extract contents | Extract files from an .msu package without installing (via expand internally, though not a direct wusa switch). | | Check installed status | Determine if a specific update is already applied. | 3. Command-Line Syntax wusa.exe <update.msu> [/quiet] [/norestart] [/uninstall [/kb:<KB ID>]] [/log:<path>] [/extract:<destination>] Common switches | Switch | Effect | |--------|--------| | /quiet | Silent install – no UI prompts, no progress bar. | | /norestart | Prevent automatic restart even if required. | | /uninstall | Uninstall an update. Use with /kb:<ID> . | | /kb:<KB number> | Specifies which update to uninstall (e.g., /kb:5013942 ). | | /log:<path> | Create a log file at the specified location. | | /extract:<path> | Extract .msu contents (requires additional steps, not a native wusa switch – see below). | | /? | Display help. | 4. Practical Usage Examples Install an update silently with log wusa.exe C:\updates\windows10.0-kb5013942-x64.msu /quiet /log:C:\logs\update.log Install without forcing restart wusa.exe C:\updates\update.msu /norestart Uninstall an update (interactive) wusa.exe /uninstall /kb:5013942 Uninstall quietly without restart wusa.exe /uninstall /kb:5013942 /quiet /norestart Extract .msu contents (workaround) .msu is a cabinet file. Use expand :

Would you like a PowerShell script example that wraps wusa.exe for automated deployment or inventory of installed updates? wusa exe download