Command for deleting a service in win7

Command mysqlwin764-bit service name Delete service system is win7 64-bit I want to install two mysql instances on the same computer, one version 5.5, when I installed mysql5.5 in mysql 6.0, the service name was already called mysql. when mysql was installed, the service name was set to mysql6.0. However, when the service was started, an error always occurred, return again and change the service name to mysql6. mysql6.0 is successfully installed, but there is still a mysql6.0 on the server, if you want to delete a file, run the following command to run the command prompt "Run as administrator". Then, run the following command to delete the file SC delete mysql6.0.