Taking port 3389 as an example, the method of changing the port is as follows:

Tool: computer

Steps:

Step 1: Open "Start-Run", enter "regedit" and open the registry.

Step 2: Select the path: HKEY _ local _ machine \ system \ current control set \ control \ terminal server \ WDS \ rdpwd \ TDS \ TCP, find the value of PortNamber in the right window, and then modify it to the port number you want (note: decimal point is required when modifying).

Step 3: After the modification is completed, restart the computer and the port will be changed.