Installing Navision is actually very simple. Especially if you compare it to many other midsize ERP systems.If you just want to make a test run with the classic client then it's even simpler, then all you have to install is the single classic client and from here run the native database directly.
Installing the Classic Navision Client
Installing the RoleTailored Client
Installing the Native Navision Server
Installing the Dynamics NAV RTC Service Tier
(Client)=For use with Classic client(Server)=For use with Classic/Native Database Server
Dynamics NAV / Navision Startup Parameters: