If this is part of a specific development project or tutorial from a forum (like XDA-Developers), the "complete guide" would be the specific forum post where the link was originally shared.
Do you have the of the archive, or can you clarify which device you are trying to modify?
: This is a specific identifier or internal build tag, often seen in custom ROMs or engineering firmware for devices like the Oculus Quest or specific mobile handsets using that chipset.
: Use a utility like WinRAR or 7-Zip to right-click the first part and select "Extract."