Extract the ZIP folder to a dedicated "Spanish B1" directory.
You can download the content to use without an internet connection via the digital book on BlinkLearning Why this is better: aula internacional plus 3 audio download better
If you are looking for a "better" experience, ensure you are organizing these files with clear metadata (Track Number - Lesson Name) so you aren't hunting through "Track 01, Track 02" when you're trying to find a specific exercise. Conclusion Extract the ZIP folder to a dedicated "Spanish B1" directory