When in doubt, use Flakes for installations.
- Zero-to-Nix
- (nix installation instructions)[https://zero-to-nix.com/start/install]
- Walkthrough of Nix Install and Setup on MacOS
- Setting up Nix on macOS 0 blog
- Home-Manager
- Nix-Darwin
- The Nix Way
- Lots of great examples for using Nix
- github