Buy SQL Server Reporting Services and Related Software Review Pricing and Licensing http://www.microsoft.com/sqlserver/en/us/get-sql-server/how-to-buy.aspx
Decide edition - Review supported features and decide whether it fits requirements http://msdn.microsoft.com/en-us/library/cc645993.aspx#Reporting
Review further requirements (if part of a wider implementation) Deployment Checklist: Reporting Services, Power View, and PowerPivot for SharePoint http://social.technet.microsoft.com/wiki/contents/articles/add.aspx Leverage existing investment in SharePoint with SharePoint integrated mode - http://social.technet.microsoft.com/wiki/contents/articles/15178.sql-server-reporting-services-in-sharepoint-integrated-mode.aspx
Decide Reporting Services mode Native mode needed for all of these programs that use SSRS - Forefront - http://technet.microsoft.com/en-us/library/bb404235.aspx CRM - http://msdn.microsoft.com/en-us/library/cc308177.aspx Operations Manager - http://technet.microsoft.com/en-us/library/hh298611.aspx Team Foundation Server - http://msdn.microsoft.com/en-us/library/dd578652.aspx and http://msdn.microsoft.com/en-us/library/jj620927.aspx
Handle different setup scenarios Install Reporting Services Native Mode Report Server (SSRS) http://technet.microsoft.com/en-us/library/ms143711.aspx Upgrade and Migrate Reporting Services http://msdn.microsoft.com/en-us/library/ms143747.aspx Install Reporting Services and Internet Information Services Side-by-Side http://msdn.microsoft.com/en-us/library/bb630449.aspx
Decide on scale-out deployment http://social.technet.microsoft.com/wiki/contents/articles/15179.sql-server-reporting-services-scale-out-in-native-mode.aspx
Related documentation Installing Reporting Services http://msdn.microsoft.com/en-us/library/ms143736.aspx Troubleshoot Problems Troubleshoot a Reporting Services Installation http://technet.microsoft.com/en-us/library/ms144289.aspx Troubleshoot a Reporting Services Upgrade http://msdn.microsoft.com/en-us/library/hh759330.aspx
VijayReports [MSFT] edited Revision 1. Comment: Text bolded for readability
VijayReports [MSFT] edited Original. Comment: Added troubleshooting links and setup side by side with IIS