If you don’t see this option, click the JAR file once, then right-click it again and select Open with.
On Mac, click Archive Utility.
Open the JDK download page. Click the Windows tab. Scroll down and click “https://download. oracle. com/java/17/latest/jdk-17_windows-x64_bin. exe” next to “Windows x64 Installer”. Click the checkbox next to agree to the license agreement and click the green download button. Open the JDK install file and click Yes. Click Next. Click Close.
For example, to extract a JAR file called “minecraft”, you would type in jar xf minecraft. jar.
If you receive an error message that says “‘jar’ is not recognized as an external or internal command”, you need to change the path environment variable to “C:\Program Files\Java\jdk[latest version]\bin” Make sure you replace “[latest version]” with the latest version of Java Development Kit you have installed.
Open the JDK download page. Click the macOS tab. Scroll down and click “https://download. oracle. com/java/17/latest/jdk-17_macos-x64_bin. dmg” next to “macOS Installer”. Open the JDK dmg file. Double-click the JDK pkg file. Click Continue Click Install. Enter your Mac user password and click Install Software. Click Close
Right-click the JAR file. Hold OPTION and click Copy [jar file] as pathname.