Available in Express (Free), Standard, Enterprise, Datacenter (supporting up to 256 logical processors), and Parallel Data Warehouse. End of Life:
Select a "Default Instance" or a "Named Instance" if multiple versions will coexist. Authentication: Mixed Mode
Click Install and wait. The process can take 15–30 minutes. At the end, verify that all features succeeded.
Do not install SQL Server 2008 R2 in new environments. Upgrade to:
