Microsoft® Windows Vista® Home Basic/Home Premium/Business/Ultimate**
Microsoft® Windows® XP with Service Pack 2 Home/XP Pro/XP Media Center Edition
- 300 MHz or faster processor
- 256 MB of RAM (*512 MB RAM required for the Recovery Tool)
- 150 MB of available hard disk space.
Email scanning supported for POP3- and SMTP-compatible email clients.
Browser support for Browser Protection feature
- Microsoft Internet Explorer® 32-bit 6.0 or higher
- Mozilla Firefox® 2.0 or higher
Supported instant messaging clients
- AOL®
- Yahoo!®
- Microsoft®
- Trillian™
**Must meet minimum Windows Vista operating system requirements.