2.2. Download and Install the Early Power Estimator
After you read the terms and conditions and click I Agree, you can download the Microsoft Excel (.xls or .xlsx) file.
By default, the macro security level in Microsoft Excel 2003, Microsoft Excel 2007, and Microsoft Excel 2010 is set to High. If the macro security level is set to High, macros are automatically disabled. For the features in the EPE spreadsheet to function properly, you must enable macros.