We recommend you read the Microsoft® SQL Server® 2008 R2 Release Notes and Microsoft® SQL Server® 2008 R2 Readme before installing this product.

To install and use Microsoft® SQL Server® 2008 R2 - PowerPivot for Microsoft® Excel 2010, complete the following steps in this order:
After PowerPivot for Microsoft® Excel is installed, you can access documentation from the PowerPivot window by clicking the Help button or by pressing F1. We recommend that you use the most recent version of the documentation, which is available from PowerPivot for Microsoft® Excel Online Help. You can access additional articles, blogs, and other community content on the PowerPivot TechNet page..

Note:
1. When you start Microsoft® Office 2010 Excel for the first time, you will be prompted for permission for Excel to load SQL Server® 2008 R2 - PowerPivot for Microsoft® Excel 2010.