Win7 delete service command

Win7 delete service command
mysqlwin764 bit service name delete service
system is win7 64 bit
I want to install two mysql on the same computer, a 5.5 version, a 6.0 version
I am loading Mysql5.5, the service name has been called mysql
When I installed mysql6.0, the service name I started a mysql6.0
But when the installation is started, this service will always report an error,
Go back and change the service name to mysql6,
mysql6.0 installation is successful, but there is still a mysql6.0 in the server,
If you want to delete it, you can use the following command
To run "Command prompt as administrator, and then enter the following command, you can delete it successfully
sc delete mysql6.0