Look in Community Guides. It contains detailed instructions for installing Home Assistant various ways. Community member kanga_who has published several detailed guides. There’s also the official documentation as well.
If you plan to use an Intel NUC your main installation choices are:
- Home Assistant OS disk-image for a NUC
- Home Assistant Supervised, or Home Assistant Container (Container doesn’t support Home Assistant’s Add-Ons), on Debian (the only officially supported Linux distro)
- Proxmox with Home Assistant OS in a VM
Also, here’s a comparison of the four main installation methods: