How to Mod Fallout 4 on Your PC? [Complete Guide]

Ariel Mu
4 min readOct 9, 2020

Before You Do

Prior to modding Fallout 4 on PC, you need to enable modding Fallout 4 by configuring its game files. Then Fallout 4 will be able to accept the mods that you have installed. Here’s how to enable modding Fallout 4:

Step 1. Press the Win + E keys to open the File Explorer and go to the Fallout 4 directory folder. Usually, you can find the default folder via the C:\Users\YOURNAME\Documents\My Games\Fallout4 path.

Step 2. Inside the Fallout directory folder, open the FalloutPrefs.ini file with a text editor like Windows Notepad.

Step 3. Press Ctrl + F keys at the same time to open a search box and type [Launcher] in the box. Then you should find the [Launcher] location in the text editor.

Step 4. Add the bEnableFileSelection=1 line below the [Launcher] section. After that, click on File > Save buttons at the upper left corner to save the file and then exit the text editor.

Step 5. Back to the Fallout 4 directory folder again and locate the Fallout4Custom.ini file inside the directory folder.

Step 6. Open the Fallout4Custom.ini file with a text editor and then add the following lines one by one to the end of the file.

Step 7. Click on File > Save buttons to save the file and close the text editor.

Now, you should enable modding Fallout 4 on PC. How to mod Fallout 4? Let’s keep reading the following section.

How to Install Fallout 4 Mods

In this section, we will show you a full guide on how to mod Fallout 4 on PC.

Part 1. Install Nexus Mod Manager

Nexus Mod Manager is free and open software that can help you install and uninstall mods easily. In order to install Fallout 4 mods smoothly, you need to install the Nexus Mod Manager on your PC. If you haven’t installed it, you can follow the quick guide below:

Step 1. Click here to download the Nexus Mod Manager. Then click on the downloaded file and follow the on-screen prompts to complete the NMM installation.

Step 2. When you launch the Nexus Mod Manager for the first time, it will scan your computer and find the installed games. Here you just click the Checkmark to confirm the installed Fallout 4 and click on OK to save it.

Step 3. Select Fallout 4 from the list of installed games and click on OK to save it.

Step 4. Select the directory folder that you want to store the Fallout 4 mods.

How to install mods for Fallout 4? Please keep reading the following guide.

Part 2. Install Fallout 4 Mods

Once you installed Nexus Mod Manager, you can install Fallout 4 mods with it. Now, let’s see how to install Fallout 4 mods.

Step 1. Open the webpage and navigate to the Fallout 4 Mods download page.

Step 2. Select the mods that you want to install and navigate to the download page of the mod.

Step 3. Click on the Manual button at the upper right corner, and then follow the on-screen prompts to download the mod.

Step 4. Launch Nexus Mod Manager and click on the Green plus icon at the left pane to add the downloaded mod.

Step 5. Go to the Mods tab and double click the mod. Then the mod will be installed automatically.

How to install mods Fallout 4? All the steps have been elaborated. Now, it’s your turn to have a try.

Originally published at on October 9, 2020.