If you are looking for a guide for of the campaign (which often corresponds to "Part 4" in video series), here are the key strategies:
Right-click part01.rar and select "Extract Here" (using WinRAR or 7-Zip ). It will automatically pull data from part04 and the others to recreate the full installer or game folder. Gears.of.War.4.part04.rar
To use this file, you must have all the other parts (e.g., part01, part02, part03, etc.) in the same folder. If you are looking for a guide for
Watch these walkthroughs to master the combat and boss fights in Act 4: Gears.of.War.4.part04.rar