: You will need to collect 3 cactus balls from around the area (under the sign, near the animal skull, and by the limousine).
: Interact with the machine and enter PIN 1966 . This is a reference to the armadillo's birth year relative to the moon landing. File: The_Office-Ep3_v02-bugfix-pc.zip ...
If you are still stuck on specific puzzles, these video guides cover the entirety of Chapter 3: : You will need to collect 3 cactus
If you have downloaded this .zip file to fix glitches in the PC version of the game: near the animal skull