Turn on the computer, and then right-click the taskbar below the computer to pop up the task options.

02

Then select Start Task Manager and click Enter.

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Enter the task manager interface (Ctrl+Alt+del can also enter).

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Locate the service above the Manager and click.

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When you enter the service page, you can see the port numbers of various programs on your computer.

You can check the current port number of your computer like this.

Start \ Run the input command

Under Command Prompt Status, enter "NETSTAT -NA" to view the current port number.