Operating Systems Supported
- Microsoft® Windows® XP (32-bit) Home/Professional/Tablet PC/Media Center (32-bit) with Service Pack 2 or later
- Microsoft Windows Vista® (32-bit and 64-bit) Starter/Home Basic/Home Premium/Business/Ultimate
- Microsoft Windows 7 (32-bit and 64-bit) Starter/Home Basic/Home Premium/Professional/Ultimate
Minimum Hardware Requirements
- 300 MHz for Microsoft Windows XP, 1 GHz for Microsoft Windows Vista/Microsoft Windows 7
- 256 MB of RAM
- 300 MB of available hard disk space
- CD-ROM or DVD drive (if not installing via electronic download)
Support for Antispam
- Microsoft Outlook® 2002 or later
- Microsoft Outlook Express 6.0 or later
- Windows Mail (spam filtering only)
Browser Plug-In Support***
- Microsoft Internet Explorer® 6.0 or later**** (32-bit only)
- Mozilla® Firefox® 3.0 and later**** (32-bit only)
Email scanning supported for POP3-compatible
