# System Administration

System-wide configuration: users, roles, permissions, custom fields, and company settings.

* [Users & Permissions](/doc/cf739ed7-1ab4-4528-8952-1126a07f4516) — User accounts, roles, role profiles and permission management.
* [Customization](/doc/918b9a83-9ae0-4b91-b980-0dee9a98d1aa) — Extend NexWave with custom fields, naming series and other customisations.
* [System Setup](/doc/da0e63f2-c447-489a-893a-f2da751d30d4) — One-time system-wide configuration affecting every module.

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**Documents**

- [Users & Permissions](https://docs.nexwaveapp.com/s/docs/doc/users-permissions-01ZWodZZE2)
- [Customization](https://docs.nexwaveapp.com/s/docs/doc/customization-4akyYY1jqv)
- [System Setup](https://docs.nexwaveapp.com/s/docs/doc/system-setup-b0eDUUTKdu)