If you’re reading this, thank you! This means you’re interested in contributing to PrestaShop. You probably are a PrestaShop developer, and your use of the project is slightly different from ours. For instance, there are few differences between PrestaShop 1.7 (the release) and the branch 1.7 of PrestaShop in the GitHub repository. This is because we create a release usable by everyone from our sources.
To be able to contribute you need:
PrestaShop is hosted on github.com and the way to submit code changes (pull requests) to the project is the standard forks and pull requests flow. This flow is explained in the GitHub Forking Guide.
If you have trouble using this flow, great help can be found on help.github.com or by looking at one of these detailed tutorials:
This flow is a standard process for open source projects to handle contributions but it can look quite complex. This article about the flow can help you understand the reasons for each part of the process.
We explain 2 ways to run PrestaShop from the sources: