Another link to help:https://knowledge.autodesk.com/support/3ds-max/learn-explore/caas/CloudHelp/cloudhelp/2018/ENU/3DSMax-Modeling/files/GUID-1D637181-862A-49C9-B6BE-4E7982549C57-htm.html Basically you might have hidden your ribbon. I'm not a Max user anymore to be honest so I don't know how much I can help you, but that…