If you are a professional not currently enrolled in school, you can access the Revit free trial. Typically 30 days.
Have you successfully gotten the free Revit license? Drop a comment below with which version you are using! free autodesk revit
Sometimes, you don't need to model or edit; you just need to open, view, and measure a Revit file ( .rvt ). You do not need a paid license for this. Autodesk provides two free solutions. Autodesk Viewer (Cloud-Based) If you are a professional not currently enrolled