If you are a developer and need to work with latest version, see this documentation instead (typically if you want to test local changes).
Ledger Live Common exposes a command line tool (CLI) that can be used to test Ledger Live features in a terminal.
To install it, you will need to have an instance of Node 12 (LTS).
You can then install it with
npm i -g ledger-live
You can now run:
ledger-live