System Requirements for Internet Security Pro

Hardware requirement:

Recommended Windows screen resolution: 1024 x 768 (XGA) and above

CPU:
Windows Vista (32/64-bit) Home Basic, Premium, Business, or Ultimate requires an Intel Pentium 800MHz (1GHz recommended).

Windows XP (32-bit) Home, Professional, Media Center or Tablet PC requires an Intel Pentium 450MHz

Note: Trend Micro Internet Security Pro can support computers with processors equivalent to those listed above, as well as Intel Hyper-Threading and dual core processors.  It also supports RAID 0 (Striping) or RAID 1 (Mirroring).

Memory:
256MB of RAM for Windows XP (recommended RAM 512MB)

512MB of RAM for Windows Vista Home Basic (recommended RAM 1GB)

1GB of RAM for Windows Vista Home Premium, Business or Ultimate

Disk Space:
500MB of hard disk space is required

Software requirement:

Windows Vista (32/64-bit) Ultimate, Business, Home Premium, or Home Basic with Service Pack 1

Windows XP (32-bit) Home or Professional Edition, with Service Pack 2

Windows XP Media Center Edition 2005, with Service Pack 2

Windows XP Tablet PC Edition 2005, with Service Pack 2

Note: Trend Micro Internet Security Pro 2009 supports both the 32-bit and 64-bit versions of all Windows Vista editions named above.

Installing Windows XP Service Pack 3 (SP3) does not cause any known problems in Trend Micro Internet Security.

Trend Micro Toolbar supports the following browsers:
Microsoft® Internet Explorer 6.0 and 7.0
Mozilla® Firefox 2.0 and 3.0

The Trend Micro Toolbar also supports the following Instant Messengers:
MSN Messenger 8.5
AIM 6.8