GitHub is the official repository for Odoo's source code, and downloading from there ensures you get the latest version of the software. By downloading from GitHub, you'll also have access to the community-driven development and support.
The GitHub repository ( github.com/odoo/odoo ) contains the source code, which is free and open‑source. The official download page ( odoo.com/page/download ) provides access to both Community and Enterprise editions, with Enterprise requiring a valid subscription code. Odoo 17 Enterprise Download Github
Odoo maintains at https://nightly.odoo.com/ . These are automated builds of the latest development code, available for both Community and (with a subscription) Enterprise editions. While not recommended for production use, nightly builds can be useful for testing and development. GitHub is the official repository for Odoo's source
A standard Odoo 17 Enterprise installation functions by linking these two separate codebases together using the server's configuration files. The official download page ( odoo