![]() Double click on the respective application from the list that you want to launch. Click on the View button from the Temporary Internet Files section. Go to Start > Settings > Control Panel > Double click on the Java icon. Search the internet for (without quotes) "add environment variable macOS" or "add environment variable Windows" to get guides about how to do this. The Cache viewer enables you to directly launch applications that you have downloaded. If you want, you can add Minecraft's Java to your PATH environment variable so that you only need to type java -jar path/to/OptiFine_1.XX.X_HD_X_XX.jar. The path to the OptiFine jar file will vary. ![]() Windows: "\Program Files (x86)\Minecraft Launcher\runtime\jre-圆4\bin\java.exe" -jar "C:\Users\your user\Downloads\OptiFine_1.14.4_HD_U_F5.jar MacOS: ~/Library/Application\ Support/minecraft/runtime/java-runtime-gamma/mac-os/java-runtime-gamma/jre.bundle/Contents/Home/bin/java -jar /users/your\ user/Downloads/OptiFine_1.14.4_HD_U_F5.jar If you get an error message, ensure your command looks like this: You should see the OptiFine installer window appear. jar file, and drag it on top of the command window. There should be a space between your path and the -, and after the r.įind your OptiFine installer. On Windows, surround the entire path in quotes.Īdd -jar to the path in your command window. On macOS, simply place a backslash ( \)īefore every space in your path, or surround the entire path in quotes. You will need to ensure special characters like spaces are properly escaped. On Windows, this is CMD, and you can find it by searching for "CMD" (without quotes) in the start-menu or taskbarĮnter the path to Java, which you found in Part 1. On macOS, this is Terminal, and you can find it by going to /Applications/Utilities in the FinderĪnd launching Terminal, or by searching for "Terminal" (without quotes) in Spotlight. Open your operating system's command line interface. Using the aforementioned command format, we can run the OptiFine installer using the following steps. Java command, so we will need to use the full path to Minecraft's Java. ![]() This is because your computer does not know where to find the Tried this on your computer without Java manually installed, the command will fail. jar files from the command line using the following command format: java -jar path/to/program.jar. Windows 32-bit: \Program Files (x86)\Minecraft Launcher\runtime\jre-x86\bin\java.exe Windows 64-bit: \Program Files (x86)\Minecraft Launcher\runtime\jre-圆4\bin\java.exe MacOS: ~/Library/Application\ Support/minecraft/runtime/java-runtime-gamma/mac-os/java-runtime-gamma/jre.bundle/Contents/Home/bin/java If you installed Minecraft in the default locations, the full path to the Java executable is: Minecraft Launcher\runtime\jre-x86 for 32-bit computers. Inside the Launcher's Program Files folder at Minecraft Launcher\runtime\jre-圆4 for 64-bit computers, and On macOS, the bundled Java runtime is located inside the minecraft/runtime/jre-圆4 folder. On Windows and macOS, Minecraft Java Editionīundles and manages its own Java installation. It involves the command line but the process is very easy. You can install OptiFine without also manually installing Java on macOS or Windows. Linux users must manually install Java to play Minecraft, so this guide does not apply. In summary, if you are trying to figure out where JAVA_HOME is on your Mac OS X system, I hope this has been helpful.Applies to macOS and Windows Only. You might also be able to find some of these settings in the Mac OS X Control Panel, but I looked just now, and did not see them (though you can see Java's "temporary internet files" from that console). If you have XCode installed you can now find the JAVA_HOME directory with this command: I have no way of verifying this any more, but on Mac OS X 10.5, 10.6, and 10.7, I'm pretty sure this is where the JDK JAVA_HOME was located: Library/Internet\ Plug-Ins/ugin/Contents/Home/bin/java -version Older Mac OS X systems This is confirmed by this Oracle Java/JRE documentation page, which shows that you can demonstrate this by running this command in the Mac Terminal: Library/Internet Plug-Ins/ugin/Contents/Home If you've installed the Oracle JRE (as opposed to the JDK), JAVA_HOME for it appears to be located here instead: Of course that will vary by the JDK version you have installed. Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/Contents/Home/ Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home This has changed over time, but if you're using Mac OS X 10.9 or newer (now macOS), your JDK/SDK JAVA_HOME location for Java 8 will be something like this: Java/Mac FAQ: Where is JAVA_HOME located on Mac OS X (macOS) systems? macOS JDK location The JAVAHOME environment variable points to the file system location where the JDK or JRE was installed in your system.
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