Installing Java for Yuhalu

Yuhalu requires Java (JVM) to run. If Java is not installed, Yuhalu will not start.

Step 1: Download Java from Oracle

Visit the official Oracle Java download page:

https://www.oracle.com/java/technologies/downloads/

Download the Java SE JDK for Windows (64-bit).

Choose the Windows Installer (.exe).

Step 2: Install Java

1. Double-click the downloaded .exe file.
2. Click Next and accept the default options.
3. Wait for installation to complete.

By default, Java installs to:

Step 3: Set Java PATH in Windows

After installation, Java must be added to the Windows PATH; otherwise, it is not accessible.

• Backup: Before making any changes, it is strongly recommended to back up your current environment variables or create a system restore point. To backup while on command prompt, type set > C:\Path\To\Your\Env_backup.txt or any other file name.
• Accuracy: Ensure all paths are entered exactly as specified.
• Administrator Privileges: These changes often require administrator privileges to be applied system-wide.

1. Press Windows + R, type sysdm.cpl, and press Enter from the command prompt to show System Properties window.
2. Click the Advanced tab.
3. Click Environment Variables button to show its window.
4. Under System variables window section, select Path, then click Edit button below to show Edite environment variable.
5. Click New.
6. Add the Java bin folder path, for example:

Click OK on all dialogs to keep changes and to close each window.

Step 4: Verify Java Installation

Open Command Prompt and type:

If Java is installed correctly, you will see version information; otherwise, a message such as Java is not recognized as an internal or external command, operable program or batch file.

Start Yuhalu

To run Yuhalu for the first time and do this only once.
Once Java and Yuhalu are installed, use Windows explorer to navigate to folder Yuhalu, look for file YuhaluRan.bat and double-click it to start the Yuhalu, then follow instructions.