There are lots of videos on YT. I personally liked this one:
You can also read: Decode and Conquer: Answers to Product Management Interviews. https://www.amazon.com/dp/B07ZV8BM2S/ref=cm_sw_r_apan_glt_8DZAN5FX2EHNGRA93XZB
Check out this post
https://www.udemy.com/course/become-a-product-manager-learn-the-skills-get-a-job/
Check out that Udemy Course
Check out these books, decode/cracking the PM interview
https://stellarpeers.com/blog/
Read these case studies
https://engineerseekingfire.com/how-to-prepare-for-product-manager-interviews/
Cool blog post on PM interviews
https://www.productmanagementexercises.com/interview-questions
Practice for yourself!