

Press Ctrl + S to save the changes you have made to the falloutprefs.ini file and close the instance of Notepad.ħ. In a new line within the file, type iNumHWThreads=2.Ħ. If you don’t see bUseThreadedAI=0 anywhere in the entirety of the file’s contents, simply addīUseThreadedAI=1 in a new line within the file.ĥ. Within the contents of the file and change the 0 to a 1. Open the falloutprefs.ini file and double-click on it to open it in a new instance of Notepad. Navigate to My Documents\My Games\Fallout3.Ģ.

Method 4 – Edit The Falloutprefs.ini Fileġ. Once done, close Games for Windows Live and try launching Fallout 3. Games for Windows Live will automatically download all the files Fallout 3 needs to run on your computer.Ħ. Once the Games for Windows Live application has been installed, launch it.ĥ. Follow the onscreen instructions and go through the installation wizard, at the end of which Games for Windows Live will be installed on your computer.Ĥ. Once the installer has been successfully downloaded, navigate to the directory you saved it in and double-click on it to launch it.ģ. Download the installer for Games for Windows Live.Ģ. Method 3 – Download And Install the Games for Windows Live Applicationġ. Once done, try launching Fallout 3 and check to see whether or not the problem you were facing has been fixed. Open the dropdown menu located directly underneath the Run this program in compatibility mode for option and click on Windows XP (Service Pack 3) to select it.Ĩ. Enable the Run this program in compatibility mode for option by checking the checkbox located directly beside it.Ħ. In the properties window, navigate to the Compatibility tab.ĥ.

From the drop-down menu, click on Properties. The default location of the Fallout 3 folder:Ģ. Navigate to Fallout 3 folder within your Steam folder. Method 2 – Run Fallout 3 in Compatibility Modeġ. Launch Fallout 3 and check to see if the issue has been resolved. Enable the Run this program as an administrator option by checking the checkbox located directly beside it.Ĩ. In the Properties window, navigate to the Compatibility tab.ĥ. You will now get the properties window with various options.Ĥ. X:\Program Files (x86)\Steam\steamapps\common\Fallout 3Ģ. X:\Program Files (x86)\Steam\steamapps\common\Fallout 3 goty The default location of the Fallout 3 folder is: First, you have to navigate to the Fallout 3 folder within your Steam folder. Method 1 – Run Fallout 3 as an Administratorġ. In this article, we will take a look at how you can make the classic Fallout 3 game work on your Windows 10 PC/Laptop. Fallout 3 is one of the classic PC games ever made, but unfortunately, due to its dated nature, it does not normally work on Windows 10.
