Installation:

1. Extract the "Content" directory from the downloaded file. This will have all of files required for the patch, which include a .exe, a .msi, and a .cab file.
2. Run the .exe file within that directory, and it will install the patch.
3. Load up the game and play. Your version should now be 1.0.2.0 (Vista / 7) or 1.0.2.1 (XP)

Red Faction: Guerrilla second PC patch notes

* DirectX 9 or 10 selection will now be available using the "-nod3d10" launcher parameter.
* Fine Aim can now be toggled at any time except for sprinting.
* An option for "V-Sync" will be added to the "Options" menu.
* Fixed an issue with weapon selection sticking.
* Fixed Siege and Damage Control target indicators so they will now stay in their proper positions within 16:10 resolutions.
* Fixed an error in the resolution list where previously only 16 resolutions could be shown at once.
* Fixed an error where an "Enter" hint was being displayed during auto-saving.
* Windows 7 / Vista speed-up issue has been corrected.
* Launcher will now default to "Normal" priority instead of "Above Normal".
* Turret sensitivity has been tweaked to feel more natural.