Tutorial – How to import assets into Unity3d Game Engine

– create an new 3D empty project

– go to the Unity Asset Store, choose a free asset, and select an asset

– go to project windows > import new asset

– this will overwrite the current empty project with the new asset datas

source : https://learn.unity.com/tutorial/importing-assets#

Tutorial – Getting started wit Unity3D

• Download Unity3d HUB & engine
• Download in Learn > Project
• close to save (because its downloaded in temporary folder)
• import in projects into Unity3d HUB
• find your « level » into YOURPROJECT > Scenes > YourSceneName