To manually check for Windows updates, you can do it via Settings, Control Panel, or Command Line. 1. Press Win I to open "Settings" → "Windows Update" → Click "Check for Updates", the system will automatically download and prompt for installation; if "The device is already up-to-date", there is no need to operate. 2. For legacy systems, open Control Panel → "System and Security" → "Windows Update" → Click "Check for Updates". 3. Run PowerShell or command prompt with administrator permissions, enter the command wuaucclt.exe /detectnow to force the update, but the result is not displayed. You need to view the update status through "Settings". Some updates need to be restarted and effective. It is recommended to update regularly to ensure the stability and security of the system.
Windows updates often run automatically in the background, but sometimes you may want to check if there are new updates yourself. Especially when you encounter problems, prepare to install software, or just install the system, it is more reliable to manually check and update.

Open Settings Check for Updates
The most direct way is to manually check for updates through the Settings app. Press Win I to open the settings, and select "Windows Update" on the left. Click "Check for updates" on the right, and the system will be connected to the Internet to find the latest patches and updates.
- If an update is available, it will start to download automatically and prompt you to install it.
- If "Your device is up to date", it means there is currently no need to install it.
- This method is suitable for most versions of Windows 10 and Windows 11
It should be noted that some updates require a restart to take effect, so it is best to schedule a suitable time to restart the computer after seeing the prompt.

Use Control Panel (suitable for legacy systems)
If you are using an older version of Windows or are used to using traditional interfaces, you can also check for updates through the Control Panel:
- Open the control panel (you can enter "Control Panel" in the search bar)
- Find "System and Security"
- Click "Windows Update"
- Click "Check for updates" in the open window
Although this method looks a bit old, it is still commonly used in some enterprise environments, especially those that have not been upgraded to the new version of Windows.

Check with a command prompt or PowerShell
If you prefer to use the command line, you can also use PowerShell or command prompt to trigger update checks. Open PowerShell as an administrator and enter the following command:
wuaucclt.exe /detectnow
This command forces the system to check for updates immediately. However, it will not display detailed results, but will just let the background service perform the check. You can wait a few minutes before checking for updates to appear through "Settings".
This method is suitable for people who know a little about the command line and is also often used when connecting to remote desktops.
Basically these are the methods. Manually checking Windows updates is not complicated, but it is easy to ignore that some updates need to meet certain conditions first (such as patches before installation), so keeping the system updated regularly is the safest way to do it.
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