GUIDES · UNDERSTAND WHAT MATTERS
Understand the layer behind the fix.
These guides explain the concepts that matter when troubleshooting a real problem. Open the explanation, understand the mechanism, then return to the same troubleshooting step.
Command discoveryHow Windows finds a command
PATH, executable search order and why installed software can still be “not recognized.”
Python launcherpython vs pyWhy one can work while the other fails—and what that tells you.
Windows aliasesApp Execution AliasesWhy typing python can route to Microsoft Store and when aliases matter.
Python packagingInstall a specific package version with pipUse package==version, list available releases and verify the interpreter you changed.

Guides should answer the question without creating another rabbit hole.
Deeper sections on each page are progressively disclosed. When a guide is opened from a troubleshooting page, a return link stays visible.