To update from OpenJDK 11 to OpenJDK 17 on Windows 11, follow these steps:
Step 1: Uninstall OpenJDK 11
Open Control Panel: Press Win + S, type Control Panel, and select it.
Programs: Go to Programs > Programs and Features.
Find OpenJDK 11: Locate OpenJDK 11 in the list, right-click it, and select Uninstall. Follow the prompts to remove the JDK.
Step 2: Download OpenJDK 17
Visit the Official Website: Go to the OpenJDK download page.
Download the ZIP File: Download the OpenJDK 17 ZIP file for Windows.
Step 3: Extract the ZIP File
Locate the Downloaded File: Find the ZIP file in your downloads folder.
Extract the Contents: Right-click the ZIP file and select Extract Here to extract the contents to a folder of your choice (e.g., C:\Program Files\OpenJDK\jdk-17).
Step 4: Set JAVA_HOME Environment Variable
Open Environment Variables: Press Win + S, type Environment Variables, and select Edit the system environment variables.
System Variables: In the System variables section, click New.
Create JAVA_HOME: Enter JAVA_HOME as the variable name and the path to the extracted JDK folder as the variable value (e.g., C:\Program Files\OpenJDK\jdk-17).
Update PATH: In the System variables section, find the Path variable, select it, and click Edit. Add %JAVA_HOME%\bin to the list of paths.
Step 5: Verify Installation
Open Command Prompt: Press Win + R, type cmd, and press Enter.
Check Java Version: Type java -version and press . You should see the version information for OpenJDK 17.