The installation process of Sitecore 8 is very simple with SIM. But, installing Sitecore Commerce 8.2.1 is little complicated. The sitecore has provided the detailed and step-by-step installation guide. The link for the same is http://commercesdn.sitecore.net/SitecoreCommerce/DeploymentGuide/en-us/index.html While installing Sitecore Commerce 8.2.1, I struggled with some issues. I solved the installation puzzles related to Bootstrap, initialization and commerce website startup in IIS. Here are the challenges and solution for the same: 1. The created User " CSFndRuntimeUser " for the Sitecore Commerce Installation has the locale Admin-Rights and all MS SQL Server rights, But the installation fails regarding database connection and rights. Solution : The user CSFndRuntimeUser must have SysAdmin rights in Sql Server. 2. The command http://localhost:5000/commerceops/Bootstrap() was not successful. Solution : Make sure that sitecore instance...