====== What is a Service Release? ====== > **Summary:** //How do I update my Rhino?// > **Related installation help:** //[[installproblems|Troubleshooting Rhino 5 Installation]]// =====Question===== What is a Service Release? =====Answer===== Service releases are no-charge, maintenance releases that patch existing installations of software with the latest bug fixes and updates. These installers are downloadable and will only install if you have a version of the product already installed. Service Releases are identified two ways: * the SR number, like SR3 or SR4b. * the date, which is coded into the name of the download file like 20050729, meaning July 29, 2005. Download the latest [[https://www.rhino3d.com/download/rhino/latest|Rhino service release]]. {{tag>rhino5installation_en}}