These materials give you a general overview of the software testing field. We will not attend the BBST Foundation course, however, the materials are interesting and practical, and I believe you find them useful for your daily job.
This course should give you an overview of what software testing is about and that it definitely is not just about reporting bugs and testing according to test cases. Note that even more videos from this series can be found on YouTube here: https://www.youtube.com/@TestingEducation/videos .
Here is the main pdf documentation for the whole course. Note there are important and very useful information in videos so this pdf definitely should not be the only document you open from the course:
Get the pdf of the presentations in this course here.