Optifine doesn’t have extensive support for Fabric, as it has for Forge. That is the reason that Optifine clearly works with Forge but does not work with Fabric mod loader. 

Though, you can run Optifine on Fabric mod loader by using Opti Fabric, that makes Optifine compatible to run on Fabric mod loader. 

Let’s begin our understanding of downloading and installing Optifine and Fabric mod loaders together. 

You can easily download and install both Optifine and Fabric mod loader together by following the steps given below;

Downloading the Fabric mod loader

How to download and install Optifine along with the Fabric mod loader? 

Fabric mod loader enables you to download some of the top mods of Minecrafts and enjoy this awesome experience of gaming in Minecraft. 

You can easily download the Fabric mod loader by following some simple steps given below;

• First of all, go to the Fabrics official website on your desktop browser, and click on the Download Fabrics mod loader option there. 

Or, 

You can directly follow the link below to get the download page. 

As you reach the Fabric mod loader’s download page, you need to follow the download link available on the center of your screen named “Download Installer (Universal/.JAR)”.

• Click on the Download Installer (Universal/.JAR)” option, to download the Fabric Mod loader. 

Hereby your browser will begin to download the respective file. 

The downloaded file on your desktop will be saved as Fabric Installer. 

• Now, go to the downloaded file, and right click on the Fabric mod loader file. 

• Select the “Open with Java” option from the bar associated with the Fabric installer file. 

Thereafter the Fabric installer window will open up on your desktop screen. There you need to select the Minecraft version for the Fabric mod loader. 

• Click on the column in front of the Minecraft version, and select the Minecraft version for the Fabric mod loader. 
• Select the Create profile option on the downside of the window, and click on the Install button, on the bottom of the window. 

Thereby a small window appears on your desktop screen, confirming the successful installation of Fabric mod loader. 

Here you finish downloading and installing the Fabric mod loader on your desktop. 

Downloading Optifine 

Before installing Fabric and Optifine together, you need to first of all, download Optifine on your desktop. 

Follow the steps given below for downloading Optifine on your desktop;

• First of all, go to the official Optifine website by searching Optifine on your respective browser. And click on the Download option on the top of the Optifine window. 

Or, 

You can directly follow the link given below

Thereafter, the list of various Optifine Versions will appear on your screen. Select the highest version file for downloading onto your device, as it has updated data. 

• Click on the mirror option, in front of the respective file, to reach the download page of that file. 
• Click on the Download option, to download the Optifine file. 

Thereafter, the file gets saved onto your device. 

Downloading Opti Fabric

Another step towards installing optifine and Fabric mod loader together is downloading Opti Fabric on your desktop. 

Follow the steps given below for downloading Opti Fabric in your desktop;

• First of all, go to the official OptiFabric website by searching OptiFabric on your respective browser. 

Or, 

You can directly follow the link given below

• Click on the File tab on the top of the OptiFabric window. 

Thereafter, the list of various OptiFabric versions will appear on your screen. Select the highest version file for downloading onto your device, as it has updated data. 

• Click on the mirror option, in front of the respective file, to reach the download page of that file. 
• Click on the Download option, to download the OptiFabric file. 

Thereafter, the file gets saved onto your device. 

Installing Optifine with Opti Fabric 

Now, that you have downloaded the Optic Fabric and Optifine files on your desktop. You need to install them to go to the next step. 

Follow the steps given below for downloading the respective files in your desktop;

• Press the keys “Windows + R” simultaneously. 

Thereby a Run Window opens up on your desktop’s screen. 

• Enter the text “%appdata%, inside the text box on the Run window. 
• Click on the “Enter” button, on the bottom of the window. 

Thereby, a .minecraft folder appears inside the Roaming folders in your device.

As you open the .minecraft folder, a mod folder appears on your screen. 

If it is not available there, create a folder named mod. 

• Drag the Optifine file inside this mod folder and release it there. 

Here you finish installing the optifine. 

Starting Minecraft 

Now that you have downloaded and installed Fabric mod loader, Optifine, and Opta Fabric. You are all set to begin your adventure on Minecraft. 

Follow the steps given below for starting Minecraft and loading the mods in it;

• First of all, open the Minecraft launcher on your desktop. 
• Select the Fabric version from the options,  adjacent to the Play button. 
• Click on the starting with the name Fabric. 
• Click on the Play button, on the bottom of the Minecraft window. 

Here you have successfully linked or installed Fabric, Optifine, and Opta Fabric in Minecraft. 

This was all about downloading and installing Opta Fabric, Optifine, and Fabric mod launcher in Minecraft.