Check the port is occupied cmd command under Window10

1. Enter the cmd interface and enter the netstat -ano command (to view the occupancy of all ports) or netstat -aon|findstr "specific port number" (to view the occupancy of the specified port)

netstat -ano						(查看所有端口占用情况)
netstat -aon|findstr "具体端口号"		(查看指定端口占用情况)

2. Enter the tasklist|findstr "PID" command to find the corresponding PID process name of the occupied port

tasklist|findstr "PID"	(找到被占用端口的相应的PID进程名称)

3. Open the task browser, you can find the corresponding program through PID or application program and close it