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Select the Compatibility tab and tick the Run this program as an administrator box.Right click the Fallout 3 application file and select Properties.Default location: C:\Program Files (x86)\Steam\steamapps\common\Fallout 3 goty.Go to your Fallout 3 install folder within Steam.Ensure that the resolution of the game matches that of your display monitors by selecting Options from the Fallout 3 Launcher and selecting the correct resolution under Graphics Adapter and Resolution.If using dual monitors, disable your second one from your Windows display settings.
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Launch the game in Windowed Mode by selecting Options from the Fallout 3 Launcher and ticking the Windowed box under Mode.Issues associated with launching and playing the game can often be resolved by changing the following display options: If you continue to experience issues, you can also try the following troubleshooting steps: Note: Fallout 3 is not optimized for Windows 7 and later operating systems. Fallout 3 performance issues on Windows 7 or 8, you should first ensure that you meet the game's minimum requirements and you have the latest NVIDIA or AMD graphics card drivers installed.
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