The best learning path for ISO 9001 is the following:
1. Use the Guided learning feature from Experta
2. Take this free online training ISO 9001 Foundations Course:
https://advisera.com/training/iso-9001-foundations-course/ - there you can learn about the basics of the standard
3. Read the standard itself.
4. Read some more in-depth articles about ISO 9001:
https://advisera.com/iso-9001/