install
curl https://raw.githubusercontent.com/isaacs/nave/main/nave.sh > ~/bin/nave
use
To use a version of node, you do this:
nave use <some version>
If you want to name a virtual env, you can do this:
nave use <some name>
Both of these commands drop you into a subshell. Exit the shell with exit or ^D to go back from whence you came.