Change Java Version Windows Jun 2026

Managing multiple Java versions on Windows is a common necessity for developers working on legacy systems alongside modern applications. Whether you need to switch from Java 8 to Java 21 or test an upcoming release like , the process involves updating your system's environment variables. Step 1: Check Your Current Java Version

Windows uses environment variables to know which Java to run. Here’s the elegant way: change java version windows

Download and install different JDKs (e.g., Java 8, 11, 17, 21) from: Managing multiple Java versions on Windows is a

If you switch constantly and don't want to use jenv, you can create a simple batch script (e.g., switch_java.bat ) to toggle variables quickly via command line: change java version windows