> For the complete documentation index, see [llms.txt](https://docs.digitalriver.com/sap/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.digitalriver.com/sap/sap-commerce-cloud-extension-1.2/install-a-new-instance-of-the-1.0-app/step-5-rebuild-the-system.md).

# Step 5: Rebuild the system

Learn how to rebuild the system.

To rebuild the system:

1. Go to `<HYBRIS_HOME>/bin/platform` and rebuild the system using the`ant clean all`

   command.  \
   **Note**: If you are using the OOB storefront, you must use the `ant customize all` command.
2. Start the server with the following command:
   * **Windows**: `hybrisserver.bat start`
   * **Unix**: `./hybrisserver.sh start`