Step 1:
Open up cmd.exe (note: you may need to run it as an administrator, but this isn't always necessary), then run the below command:
netstat -ano | findstr :<PORT>
(Replace <PORT>
with the port number you want, but keep the colon)
![](https://i.stack.imgur.com/lEpCZ.png)
The area circled in red shows the PID (process identifier). Locate the PID of the process that's using the port you want.
Step 2:
Next, run the following command:
taskkill /PID <PID> /F
(No colon this time)
![](https://i.stack.imgur.com/8k64x.png)
Lastly, you can check whether the operation succeeded or not by re-running the command in "Step 1". If it was successful you shouldn't see any more search results for that port number.
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