Microsoft Learn went a long way from being unreadable to really amazing content. You should spend most of your time learning there.
Perform labs and/or read the documentation.
Azure courses on Plularsight are free.
How to use: use as support resource if you want to know more about any given topic.
How to use: if you are interested in learning more about given topic, look it up on the architecture center and study.
Choose videos you are interested in and watch, most of the videos are very short and have enough info to help you understand the topic.
You will need to start free month with LinkedIn, but you can cancell afterwards