In addition to the main file, also download the optional 'Realism ENB Improved DOF' file. Just make sure you follow any instructions provided by the preset author as some presets require specific ENBoost files that must be downloaded separately. The process of installing other presets will be similar however. There are other presets available on Nexus that cater to specific tastes and you can even create your own but this guide will stick to this one example to get you started. You've now installed ENBoost without the visuals effects.įor this guide I will be installing Realism ENB, a popular preset that provides a dramatic, color-saturated overhaul of the game's default visuals.Choose the enblocal.ini file that matches your system and paste it into your main FO3 folder, overwriting any existing file. This contains a number of custom enblocal.ini files tailored to either 32-bit or 64-bit Windows operating systems and to specific video card manufacturers with select video memory allocation. Copy 'd3d9.dll' and 'enbhost.exe' to your main FO3 folder (the one that contains Fallout3.exe). Download the latest version of ENBoost (must be at least v0.203 or later).It should help reduce memory-related CTDs, stutters and lag in game. If you do not want to use an ENB preset to enhance your visuals or your PC is old and decrepit, you'll still want to install the core ENBoost for its improved memory management. If you plan on using an ENB preset, skip the following step as ENBoost is packaged with the preset. You should have system specs similar to those recommended in the Hardware section, although manual adjustments can be made to the preset to improve performance while retaining some of the better visuals effects. The final step in modding FO3 involves installing ENBoost, a memory and performance optimizer and - if you have the computing power to support it - an ENB preset to dramatically improve game visuals at the average cost of 10 to 20 FPS.

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