SDK Installation and Setup The SDK Installation and Setup chapter describes how to unpack and use the software development kit (SDK). Contents of the SDK PackageThe Site Recovery Manager SDK is delivered as a ZIP archive (VMware-srm-sdk-<version>-<build>.zip file. SDK Directory StructureAfter you unzip the Site Recovery Manager SDK, the following directories and sub‐directories appear. Many of the sub‐directories contain helpful readme files. Download and SetupSetting up your environment to develop client applications with the SDK involves several steps, but if you are already developing vSphere applications, some of the steps are unnecessary.