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