1. jdk download
Download jdk1.8 from the jdk official website. https://www.oracle.com/java/technologies/downloads/#java8-windows
click download
You need to log in to an Oracle account, if you don't have one, you need to register one.
2. JDK installation
Double-click the jdk-8u361-windows-x64.exe file to run
3. Configure environment variables
Right click on this computer ---> properties ---> advanced system settings ---> environment variables
1> Set JAVA_HOME
2> set path
4. Check whether jdk is installed and configured successfully
Enter java -version on the command line
The explicit Java version number means that the configuration is successful