In this article, I will demonstrate how to install Java OpenJDK 15 on macOS Big Sur in 2021. Update: I have created a video tutorial on how to install OpenJDK on macOS Big Sur: If you prefer written instructions, just keep reading: Download and Install OpenJDK 15 Download the .tar.gz version of OpenJDK 15 from jdk.java.net/15/ and move the file to /Library/Java/JavaVirtualMachines/ on your mac. Then, extract it and delete the archive: sudo mv openjdk-15.0.1_osx-x64_bin.tar.gz /Library/Java/JavaVirtualMachines/ cd /Library/Java/JavaVirtualMachines/ sudo tar ...