Chapter 3. Updating Red Hat build of OpenJDK 21 for Microsoft Windows using the archive

Procedure

1. Download the archive of Red Hat build of OpenJDK 21.

2. Extract the contents of an archive to a directory of your choice.

   Note

   Extracting the contents of an archive to a directory path that does not contain spaces is recommended.

3. On Command Prompt, update JAVA_HOME environment variable as follows:

   1. Open Command Prompt as an administrator.

   2. Set the value of the environment variable to your Red Hat build of OpenJDK 21 for Microsoft Windows installation path:

      C:\> setx /m JAVA_HOME "C:\Progra~1\RedHat\java-21-openjdk-<version>"

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      If the path contains spaces, use the shortened path name.

   3. Restart Command Prompt to reload the environment variables.

4. Set the value of PATH variable if it is not set already:

     C:\> setx -m PATH "%PATH%;%JAVA_HOME%\bin";

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5. Restart Command Prompt to reload the environment variables.

6. Verify that java -version works without supplying the full path.

   C:\> java -version

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