QATestLab offers a free online course "Software Testing Fundamentals" designed specifically for beginners in the field of software testing.
"We have added a lot of useful information to the course that will be useful to you when you start working as a QA Intern. It will also help you understand the direction of further development in the specialty. After completing the online course, you will learn how to distinguish a bug from a feature, describe bug reports in the Mantis Bug Tracker bug tracking system, and get practice in testing various software."
Link to the course: https://training.qatestlab.com/course/software-testing-fundamentals/
EN 
UK