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Minecraft Beta 1.7.3 Optifine

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How to Install OptiFine for Minecraft Beta 1.7.3

If you are a fan of Minecraft Beta 1.7.3, you might want to enhance your gaming experience with OptiFine. OptiFine is a mod that improves the performance and graphics of Minecraft, allowing you to enjoy smoother gameplay, higher FPS, HD textures, shaders, dynamic lights and more.

In this article, we will show you how to install OptiFine for Minecraft Beta 1.7.3 using MultiMC, a launcher that lets you manage multiple versions of Minecraft easily. You will also need to download the Ultra Client, a custom client that fixes some issues with OptiFine for Beta 1.7.3.

Step 1: Download MultiMC and Ultra Client

First, you need to download MultiMC from and install it on your computer. You can choose the version that suits your operating system (Windows, Mac or Linux).

Next, you need to download the Ultra Client from and extract it to a folder on your computer. The Ultra Client contains the OptiFine mod and some other features that make it compatible with Beta 1.7.3.

Step 2: Create a new instance of Minecraft Beta 1.7.3 in MultiMC

Open MultiMC and click on the "Add Instance" button on the top left corner. A window will pop up where you can choose the version of Minecraft you want to play. Select "Old Beta 1.7.3" from the list and click "OK".

A new instance of Minecraft Beta 1.7.3 will be created in MultiMC. You can rename it if you want by right-clicking on it and choosing "Edit Instance". You can also change the icon by clicking on the "Change Icon" button.

Step 3: Copy the files from Ultra Client to the instance folder

Now you need to copy the files from the Ultra Client folder to the instance folder of Minecraft Beta 1.7.3 in MultiMC. To do this, right-click on the instance and choose "Instance Folder". A new window will open where you can see the files and folders of the instance.

Go back to the Ultra Client folder and select all the files inside it (bin, resources, options.txt, etc.). Copy them and paste them into the instance folder of Minecraft Beta 1.7.3 in MultiMC. Overwrite any existing files if prompted.

Step 4: Launch Minecraft Beta 1.7.3 with OptiFine

You are almost done! Now you can launch Minecraft Beta 1.7.3 with OptiFine by clicking on the "Launch" button on MultiMC. You should see a new splash screen with the OptiFine logo and some options to customize your settings.

You can access the OptiFine menu by pressing F9 or going to Options > Video Settings > Other > OptiFine Settings. Here you can tweak various options such as FPS boost, HD textures, shaders, fog control, smooth lighting, etc.

You can also join servers that support Beta 1.7.3 such as by going to Multiplayer > Add Server and entering the IP address.


That's it! You have successfully installed OptiFine for Minecraft Beta 1.7.3 using MultiMC and Ultra Client. Now you can enjoy playing Minecraft with improved performance and graphics.

If you have any questions or problems, feel free to leave a comment below or check out these resources:

How to Install - OptiFine Beta 1.7.3 - FOV, Brightness, Skins, FPS BOOST! - YouTube[^1^]

OptiFine[^2^] ec8f644aee


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