Supported operating systems:

-          Windows Vista (x86)

-          Windows 7 (x86/x64)

-          Windows 2008/2008R2 (x86/x64)

-          Tablets(Windows 7) 

Supported Microsoft Office versions:

-          Office 2007 32bit

-          Office 2010 32bit 

Required Software:

-          Microsoft .Net Framework 4.0 Client profile

-          Microsoft Visual Studio Office Runtime 4.0 (automatically  installed when choosing  the ‘default’ LetterSigner installation)

-          Smart card or Token vendor middleware