Below is a guide on where the find the seven Forerunner Archives scattered around Zeta Halo in Halo Infinite.
Artifact I
This artifact can be found on the mountains east of FOB Charlie past Harpoon Squad.
Artifact II
This artifact is located near a lake north of the Armory of Reckoning in the northwestern region of Zeta Halo.
Artifact III
This artifact is located southwest of Ransom Keep.
Artifact IV
Located at the top of the mountain northeast of FOB Golf in the southwestern part of Zeta Halo.
Artifact V
This artifact is located on top of the mountain northeast of FOB Juliet.
Artifact VI
This artifact is located north of Fortune Squad, which is northwest of FOB Hotel.
Artifact VII
This artifact is located north of FOB November on the other side of the small mountain. It is guarded by a Brute Chieftain.