How to set java_home variable in windows 8.1 for Android Studio

This Video shows: How to set the path for Java_Home Variable for Android Studio.
Steps that taken
1 Open Windows Explorer
2 Right click on This PC
3 Select Properties then Advance System Settings
4 Under Advance Tab Click on Environment variables
5 Enter variable name as :Java_Home
6 Copy and paste the Java Jdk Path to Variable Value
7 Click OK and now its done.