The best, any maybe only, way is to build things you think are interesting in the technology you want to learn.
Interested in learning the cloud and immutable operating-systems? Write the infrastructure-as-code to deploy a Minecraft server on Fedora CoreOS to Azure.
Interested in learning C#? Build Flappy Bird using Monogame.
Interested in learning how the networking stack works? Write your own TCP client.
Interested in data analysis? Create dashboards to track your budget using Streamlit, Python, and Pandas.
Interested in learning the cloud and immutable operating-systems? Write the infrastructure-as-code to deploy a Minecraft server on Fedora CoreOS to Azure.
Interested in learning C#? Build Flappy Bird using Monogame.
Interested in learning how the networking stack works? Write your own TCP client.
Interested in data analysis? Create dashboards to track your budget using Streamlit, Python, and Pandas.
etc
As Bob Ross said, "Talent is pursued interest".