Windows Server 2012R system checks for updates and turns on the computer's automatic update function

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1. Click the server manager below, and the dashboard will appear as shown in the figure:

2. Click the local server on the left, and then slide the slider below

3. Click Check for Updates

4. You can see the updates that need to be downloaded and installed

5. If you need to set automatic update, click Change Settings on the left

6. Select the desired option in the drop-down box and click OK