Q&A for How to Install the OptiFine Mod for Minecraft

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Question

How do I use the zoom function of Optifine?

Community Answer

Hold either Z or C to zoom in. You can check your keybinds to find out for sure.

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Question

If I install Optifine, will I be able to play multiplayer on normal servers?

Community Answer

Yes. OptiFine is an allowed mod across almost all servers and you should be able to play multiplayer on normal servers.

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Question

How do I update an older version of OptiFine to a newer one?

Community Answer

Go to the website, and download a new version. Next, follow the exact steps above.

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Question

When I download the OptiFine mod, the files compressed in the .rar file where not java files. Did I download the wrong one?

Community Answer

You may have WinRAR or another program installed that opens .rar files and automatically downloads them as .rar files instead of .jar files.

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Question

How do I actually use it in the game after installation?

Community Answer

Reopen the minecraft launcher and select a profile named Optifline. When your Minecraft is opened, you must go to Options > Video Settings. There are a lot of new options, and you're able to use Custom Shaders.

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Question

Do you have any troubleshooting solutions if I'm unable to download OptiFine?

Ivi

Community Answer

Try downloading via the mirror instead. If that doesn't work, try one of the other versions of that update from the list, and repeat.

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Question

I can't get OptiFine to open with Java. What do I do?

Community Answer

Make sure you have the newest version of Java and that all old versions are uninstalled.

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Question

What if the Optifine jar file doesn't open?

Community Answer

Reinstall Java and the Optifline, right click and click Open with... Or simply select Open with Java.

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Question

How do you install it with the program Winrar?

Community Answer

Install Java and go into "downloads." Find the "optifine" download, right click, and open it with Java.

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Question

How would you go about installing OptiFine for Minecraft 1.5.2 and below?

Community Answer

Try downloading via the mirror for best results.

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Question

Before I installed Java I right clicked and clicked open with, and accidentally clicked Notepad, so now OptiFine is in Notepad. How do I install it from there?

Community Answer

Try uninstalling and download it again.

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Question

What can I do if I tried to install Forge but can't open it to add OptiFine to it?

Community Answer

If Forge didn't show any error while installing, then go to your Minecraft folder. There should be folder named "mods"; put the OPTIFINE.JAR file in it, and you should be good to go.

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Question

Why don't I have the option to open the game with Java even though I have Java installed?

Community Answer

Right click and select "Open With," then select "Choose Another App." Then try to find the Java Platform SE Binary app from the list of programs that appears. If you have installed Java, it should be there. If it doesn't, appear you can browse the program's location from the browse button given there.

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Question

Where can I find the OptiFine mod in the drop down menu in Minecraft?

Community Answer

When running OptiFine via Forge, you won't see OptiFine in the "Mods" menu. This is because OptiFine is technically a profile, not a mod. However, see "OptiFine" in the lower-left side of the main menu upon opening Forge.

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Question

How do I install OptiFine on Windows 10 without Java?

Community Answer

You can't; you need to install Java software to install OptiFine.

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Question

Where do I find the setup file to start the installation?

Community Answer

You should be able to find it in the bottom left of your Chrome window. Otherwise, I would suggest going into file explorer, finding the "My PC" button and searching for OptiFine. It may take a while, but it will show you where it is on your computer should you need to find it again.

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Question

It says java installation not completed. Why?

Joshua Guzman

Community Answer

You have to let it download for a while until it shows that it is downloaded. If it stopped downloading before it was finished, make sure that your device has enough memory for it.

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Question

Is OptiFine still packaged with malware?

Community Answer

I don't think so, I've downloaded multiple versions of it and it works fine.

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Question

What do I do if the OptiFine Mod says it's not a valid mod?

Community Answer

If you're using Minecraft 1.14+ forge for Optifine 1.14+, it's not compatible yet according to the creators, so you can't do anything about that.

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Question

What do I do if OptiFine downloaded as a zip file?

Community Answer

One of two things happened: 1. The icon on the file shows winrar, winzip or 7zip, so you think it's downloaded as a zip file. In this case, right click on the file and go to properties. If the file's extension shows a '.zip', then follow steps for case 2. Otherwise, if you don't have java installed, then install java. Right click on that file again to 'Open With' java. 2.Either the downloading software or you changed its extension to a .zip while saving the file when browsing out the download directory. In this case, you have to redownload or fake it. Drag the file to the browser or downloader's window, and make sure you enter the right extension.

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Question

Can I uninstall Java after OptiFine is installed?

Community Answer

Yes, you can.

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Question

I have downloaded Java, but when I try to launch the Optifine Launcher it doesn't work. My file is a .jar file with the Java symbol next to it. What do I do?

Nintenblox

Community Answer

Try double clicking the .jar file to run it on Windows or Mac, or use the java -jar command for Linux.

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Question

Why is my OptiFine only running 1.19.4 when I want it to run 1.20.4? (I have downloaded the 1.20.4 OptiFine version.)

Nintenblox

Community Answer

Optifine has had slowed down development as of recently due to a Minecraft internal update. Double check your file, and make sure you have 1.20.4 downloaded.

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Question

When I click on the optifine .jar file, it says "How to you want to open this .jar file?" Is there a certain software I need to download to load Optifine?

McNaull

Community Answer

Yes, First you must install Java; from there it should load the Optifine installer automatically.

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Question

I use a Asus laptop, and all the downloads of OptiFine are going into winRAR. How do I actually use it?

McNaull

Community Answer

First you must install Java; Right click on the file, Open With, and choose Java.

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Question

I Download Optifine but when I open it, I just open a CMD window that is empty and it closes 0.5 seconds later after I see it. What can I do?

McNaull

Community Answer

Try to download only the latest versions of Optifine, and make sure it is set to open with Java.

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Question

I just installed Java ad downloaded Optifine, but when I clicked on the optifine file and tried to open it, it opened instead a command line and disappeared.

McNaull

Community Answer

Try to download only the latest versions of Optifine, and make sure it is set to open with Java.

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Question

The file doesn't appear on the installation. What should I do?

Community Answer

Reopen the launcher and it should appear.

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Question

My game says that the 1.14.4 version of OptiFine is not supported by Forge, and when I attempt to run just OptiFine, it loads the regular version of Minecraft instead of the OptiFine one. What can I do?

Community Answer

For using it in forge, make sure both of the versions (optifine 1.14 and forge 1.14) are the same. Just look what version of optifine you want to install, then go on Forge's website and download and install the exact same version.

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Question

Every time I try to open the jar file, the pop-up doesn't open. What should I do?

Community Answer

Make sure you have the newest version of Java. If that doesn't work, uninstall and reinstall it. If it still doesn't work, run it from the terminal.

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