This is the first way to solve your problem and now know how to play Fallout 3 on Windows 10 without crashes. Make sure you have checked that the entire problem is solved. Click Apply, then click OK, and you can launch the Fallout 3.Choose the Settings tab and you can check on the box that written Run this program as an administrator.Afterward, you can double click on File EXE for Fallout 3 and click on Properties in resulting context menu.You can change the X with your hard drive partition on your computer after you install Windows 10. This is for the example of the default location of your Fallout 3 folder: Fallout 3: X: \ ProgramFiles (x86) \ Steam \ steamapps \ common \ Fallout 3 goty or it could be: X: \ Program Files (x86) \ Steam \ steamapps \ common \ Fallout 3. In your Steam folder, you have to look for the Fallout 3 folder, and click it immediately if you find it.Here is the first way you can try to play Fallout 3 in Windows 10:
Every time you run a Fallout 3 on Windows 10, make sure that Windows runs with administrative permission enabled.
This includes if you have difficulty running Fallout 3 on Windows 10. If you have problems when playing a game on Windows 3, you can resolve it by running as administrative privileges. You Can Run Fallout 3 as an Administrator