转到控制面板"->添加删除程序/卸载程序.
如果您看到的是MySQL，而不是已安装的MySQL.

或者尝试从exe安装mysql.如果它在您的计算机上可用，它将自动检测已安装的mySQL版本和其他信息并显示给您.

或者，如果已经安装并启动了服务，则在任务管理器中->进程或服务选项卡，您可以看到"mysqld.exe"正在运行.

Go to Control Panel -> Add Remove Programs/ Uninstall Program.
If you see MySQL in it than its installed.

Or try to install mysql from exe. If its available in your computer then it will automatically detects the installed mySQL version and other indformations and shows you.

Or if its already installed & service is started then in task manager -> Processes or Services tab you can see "mysqld.exe" running.