There is no specific point which you need to start like that.
This is an Eco-system which comprise of Power Apps, Power Automate, Power BI, Co-Pilot.
Each and every product will have certain set of capabilities which can be leveraged.
Let see you are citizen developer you need to develop apps for internal purpose - you can start with power apps (canvas).
Same developer, i need to consume some business process associated in the application - start consuming the power automate ( cloud flow ).
I need some insights on the data, i am looking for data driven insights application - Power BI.
I am having premium license in Power apps need more optimized usage with column security and form processing - Power Apps (Model Driven).
Looking for some automation in desktop process and other system - Power Automate (Desktop flows)
Now the buzz of the market AI or chatbot based implementation - CoPilot , AI builder etc.,
Custom Development with Pro Coding - Plugins, PCF, Custom Connectors.
This is the complete ecosystem based on the business case you can pick the card accordingly all the best for the journey.
Microsoft is also running a community driven program to encourage the learners of power platform with learning plan and mentors to support the learning journey with successful accomplishment you will be rewarded too.
I hope this provides some insights to you. The journey of thousand miles begins with a single step wish you great journey ahead.!
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