In my experience, "Quantum computing for the very curious" is a great first step: https://quantum.country/qcvc https://quantum.country/qcvc They use spaced rep

In my experience, "Quantum computing for the very curious" is a great first step: https://quantum.country/qcvc https://quantum.country/qcvc They use spaced repetition to help you interiorize the concepts and give a good theorical basis to understand what quantum computing is about.