After putting in the serial number and product key. the Revit screen indicates that the files were not successfully installed.
Really need the programes installing to prepare for an academic competition.
Post the contents of your installation log file that appears on that install failed screen. It will give you the reason for the failure.
FLEXnet License Admin | MSI Cleanup Utility | .NET Framework Cleanup Tool | IPv6 NLM Fix | adskflex.opt Options File | Combine .LIC Files | Disk Space