You can always update bamboolib during the trial. Please follow these steps:
Buy a license key. After you bought a license, you will receive an email with the key
Open a Jupyter Notebook or JupyterLab file from where you already have bamboolib installed and enter
import bamboolib as bambam.activate_license()
Enter your email Address and the license key you received via email.
You're good to go 🎉