You can password protect a folder in Windows 10 using a program called WinRar, which is free to download and use.
To password protect a folder in Windows 10, you'll need to open the folder's "Properties" menu.
AutoHotKey can be installed and used for free on Windows. If you want to use AI but don't like the idea of a third party using your queries or data to train their LLMs, consider the open-source Ollama ...