Unity Package Manager (UPM) packages: Have a . tgz extension. Install to your project’s Packages directory.
Read moreHow do I access unity Package Manager?
To open the Package Manager window, navigate to Unity’s main menu and go to Window > Package Manager .
Read moreHow do I use Unity packages?
Standard Asset Packages
Read moreHow do I install packages in unity?
To install a new package:
Read moreHow do I download a package from Unity Package Manager?
Installing a new package
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