Win7 How to see if a port is occupied

1, start----"Run----" cmd, or window+r key combination, pull out the command window.

2, Input command: Netstat-ano, list all the conditions of the port. In the list we observe the port being occupied, for example 49157, to find it first.

3, view the use of the corresponding PID port, input command: Netstat-aon|findstr "49157", enter, note the last digit, that is, PID, here is 2720.

4, continue to enter Tasklist|findstr "2720", return, see which process or program occupies 2720 ports, the result is: Svchost.exe.

5, or we open Task Manager, switch to the Process tab, in the PID column to view 2720 of the corresponding process is who, if not see the PID column, the following figure:

6, then we click to view---"Select the column, the PID (process indicator) before the tick, click OK.

7, so we saw the PID of this column identification, look at 2720 of the corresponding process is who, if not, we put the following show all the user's process in front of the tick, you can see, The image name is Svchost.exe, which describes that the main process of Windows is exactly the same as the command view above.

8. End the process: Select the process in Task Manager Click the "End Process" button, or in the cmd command window, enter: taskkill/f/t/im Tencentdl.exe.