安装完JetBrains PyCharm 2018.3.5，无法运行，报错，请指教，谢谢

安装完JetBrains PyCharm 2018.3.5，无法运行，报错，请指教，谢谢显示“Error launching PyCharm”报错窗口：

Failed to load JVM DLL\bin\server\jvm.dll
If you already have a 32-bit JDK installed,define a JAVA_HOME variable in Computer>System Properties>System Settings>Environment Variables.

jdk没设置环境变量。