Please check the box to activate automatically or restart the app to activate using the activation dialog box.
Best of all, the “generic” MAK product key (which is the same for every downloaders) can be used to activate unlimited copy of Office Professional Plus 2010 Beta, Visio Premium 2010 Beta, Project Professional 2010 Beta, and SharePoint Server 2010 Beta. Most application products of Office 2010 Beta and SharePoint 2010 Beta can be activated using MAK (Multiple Activation Key) product key, including Office Professional Plus 2010, which is a suite of Office 2010 which intends for volume licensing customers.
Of the many beta products that available for free download, Office Home and Business 2010 Beta and Office Professional 2010 Beta requires user-specific retail product key for activation, which can be requested online from. Office 2010 Beta, Visio 2010 Beta, Project 2010 Beta, SharePoint 2010 Beta, together with their various child products have been available for free download and free usage till October 2010 after activated.