If this file came from an untrusted source, be very careful with .zip files containing executables ( .exe ) or library files ( .dll ), as these are common vectors for malware.
Fallout 3 famously struggles with CPUs that have more than two cores. You often need to edit the fallout.ini file: Find bUseThreadedAI=0 and change it to bUseThreadedAI=1 . Add the line iNumHWThreads=2 immediately below it. File: Fallout 3 - GOTY.zip ...
If you are playing on a laptop with integrated graphics, the game often crashes on startup. You will likely need the Intel HD Graphics Bypass package (d3d9.dll) to trick the game into thinking you have a dedicated video card. If this file came from an untrusted source,
If you are trying to this specific version, here are the most common things you need to know to get it working on modern systems: Add the line iNumHWThreads=2 immediately below it
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