It depends on the version of Archicad you are using.
Add your machine specs and Archicad version to your profile signature to get better help.
If it is version 13 then look in the Model View Options.
Barry.
One of the forum moderators.
Versions 6.5 to 27
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11