Every time I install new packages in an old project, opening a new project will not save those install. How can I install it permanently? I’m using Unity 2021,Every time I create a new project in Unity, I always get the default packages (which did not include the one I installed previously). How can I install the packages permanently? I’m using Unity 2021
The packages are tied to the project, not Unity itself. So when you create a new Project it will not install packages from a prior project, as it would create a huge mess.
But you can quite easily and quickly install packages from “your library”.