Test the audio interface and record a short passage before starting a complete session. Organize tracks and plugins clearly, then check the exported mix outside the project.
Review optional expansion features separately, because the free core and the paid upgrades have different scopes on different operating systems. The official page explicitly says it has no trial expiry and no track-count restrictions. No. The official page says Waveform Pro features are automatically unlocked on Linux, while Windows and macOS offer paid expansions.