How Do I Know If Jre Is Installed on Windows 10?

How do I check my JRE version in Windows 10?

Windows 10

1. Click the Start button.
2. Scroll through the applications and programs listed until you see the Java folder.
3. Click on the Java folder, then About Java to see the Java version.

How do I know if I have JRE or JDK installed?

Step 1: Check if JDK has been Pre-Installed

1. If a JDK version number is returned (e.g., JDK x.x.x ), then JDK has already been installed. …
2. If message “command not found” appears, JDK is NOT installed. …
3. If message “To open javac, you need a Java runtime” appears, select “Install” and follow the instructions to install JDK.