2. Try installing and configuring the JDK, and give the steps to install and configure the JDK.

WIN10/64 bit

1. Unzip the Jdk1.8.0_91_x64.rar

2. Press and hold the win and pause keys at the same time to eject the System Properties window and select Advanced system design options.

3. Then click the Environment Variables button.

4. When the Environment Variables dialog box pops up, click the New button to create a new system variable.

5. When the new System Variable dialog box pops up, enter "java-home" in the Variable Name text box, enter the JDK's installation path D: \java.jdk1.80-91\in the Variable name text box. Click OK.

6. Look for the path variable in the system variable and if it does not exist, create a new one, or select the variable click Edit to open the Edit System Variable dialog box. At the beginning of the Variable Value text box, add:%java-home%\bin;.

7.JDK after completion of the need to detect, press and hold the win key and R key , open the Run window input cmd, OK, will enter the DOS environment, enter Javac after the command prompt press ENTER, The system will output some Java information, indicating that the configuration was successful.

2. Try installing and configuring the JDK, and give the steps to install and configure the JDK.