Navigate to the "Services & Subscriptions" or "Install Office" section.
If you have a valid legal license key and simply need to reinstall the software on a machine where it was previously registered, here is the official and safe method to download the 32-bit version. download office 2013 32 bit
The official Download Center primarily hosts Service Pack 1 (SP1) and security updates for existing installations. Navigate to the "Services & Subscriptions" or "Install