SharePoint foundation 2010 supports several commonly used web browsers. However, certain web browsers might cause some SharePoint Foundation 2010 functionality to be downgraded, limited or available only through certain steps.
Customers are advised to use the latest version of Internet Explorer to ensure full functionality and security protection.
SharePoint foundation should be used on Windows XP (SP3) or later.
Some of the features in SharePoint Foundation 2010 use ActiveX controls.
In secure environments, these controls must be able to work on the client computer before their features will function. Some ActiveX controls, such as those included in Microsoft Office 2010, do not work with 64-bit browser versions.
For Microsoft Office 2010 (64-bit), only the following control works with 64-bit browsers: name.dll - Presence information