Start with a simple intro guide or course. Something where you can see stuff is preferable for feeling impact, success, and progress.
- https://developer.mozilla.org/en-US/docs/Learn#where_to_start - intro to web tech
- https://learn.microsoft.com/en-us/ - C# is a good, robust programming language to start and never end with
Consider
- your learning type
- your interests
- chase short achievable goals
- code scripts and tools that help you