Microsoft Office 2010 Product Key Cards include a 25-character Product Key to activate only one PC preloaded with Office 2010 software. No disc needed. Backup copy available. The PKC license is not transferable to another PC. Power your business with Microsoft Office Professional, comprehensive software and support to help you stay organized, connected, and competitive. As your company grows, so do your needs. The tools in Office Professional help you run your business now and down the road, including powerful email and scheduling tools in Outlook, information and data management with Excel and Access, and the professional-caliber marketing and design tools in Publisher. The package comes complete with one year of technical support that's there when you need it.