How to Upgrade From Excel 2003 to 2010

Office 2010 Installation
1. Place the Office 2010 installation disc into your computer or download Office 2010 from the Microsoft website.
2. Follow the prompts to initiate the installation of Office 2010. If you have downloaded a version of the software, you may be prompted to unzip the files. For CDs, you will have to enter a product key, which can be found on your CD case.
3. Click 'Customize' in the 'Choose the installation you want' dialog box.
4. Right click and then click 'Not available' for all programs except for Excel 2010.
5. Click 'Install now' to install Excel 2010.
Excel 2010 Download
6. Visit the Microsoft Excel 2010 website.
7. Purchase a copy of Excel 2010. Click 'Download' to download a copy of Excel to your computer or click 'Ship it' to receive a disc.
8. Follow the instructions for installation. For CDs, place the CD into your CD drive and follow the on screen prompts. For downloads, follow the on-screen prompts after downloading the file from the Microsoft website.