Buy Trend Micro Titanium Internet Security 2011 (PC-cillin)

Trend Micro no longer offers multi-year licenses of "PC-cillin". However, the auto-renewal service is still available (of course, this service can be cancelled at any time).

$69.95

Note: All licenses are valid for up to 3 PCs.

Trend Micro Ranked #1 in Independent Tests

Trend Micro is ranked #1 when it comes to blocking socially engineered malware (e.g. Trojans and other types of spyware) in a “real-world” online testing environment. Learn more

Trend Micro User Reviews

"I am a Trend Micro PC-cillin life-timer - I have used it for years and never ever had a virus. The new version has only got easier to use and more effective. I'm very happy!" - Victor

"PC-cillin by Trend Micro is super easy to install and to use, and I feel safe knowing my computers are protected by one of the world's largest antivirus brands." -Claire

"I like the fact that Trend Micro is one of the largest Internet security companies in the world. This way I know I can get top level security without being yet another Norton user. PC-cillin doesn't seem to slow down my computer like Norton did sometimes." - Kelly

"The three user feature is a great addition to an already good product. Before, I would have had to purchase three different PC-cillin Internet Security licenses to protect my home computers; now one license is all it takes." - Alan

"Trend Micro PC-cillin is a high quality piece of software at a great price. I am a long-term user and definitely feel comfortable recommending it." - Peter

Trend Micro System Requirements

To run Trend Micro PC-cillin Internet Security, your computer must meet the following hardware and software requirements:

Operating Systems

Windows 7 - All versions
Windows Vista (32/64-bit) Ultimate/Business/Home Premium/Home Basic with SP1
Windows XP (32-bit version with Service Pack 2 or 3 (SP2 or SP3) only)

CPU

Windows Vista (32/64-bit) Home Basic/Home Premium/Business/Ultimate Intel Pentium 800MHz
(1GHz recommended)
• Windows XP Home/Professional/Media Center/Tablet PC Intel Pentium 350MHz

Memory

256MB RAM for Windows XP (1GB recommended)
512MB RAM for Windows Vista (1GB recommended)

Disk Space

500MB available for installation

Compatible Web Browsers

Microsoft Internet Explorer 6.0 with SP2 (for Microsoft Windows XP)
Microsoft Internet Explorer 7.0
Microsoft Internet Explorer 8.0
Mozilla Firefox 2.0, 3.0, or 3.5

Internet, Email & Instant Messaging

Additionally, Trend Micro Titanium Internet Security 2011 requires an Internet connection for example to register online, download updates, get virus information, or send email to support.

Depending on your Internet, emailing and instant messaging (IM) habits, the following software and online services are compatible with Trend Micro Internet Security:

Email Software & Web-based Mail Services (for mail scans)

Microsoft Outlook Express 6.0 with Service Pack 2 (SP2)
Microsoft Outlook 2000, 2002, 2003, or 2007
Mozilla Thunderbird 1.5 or 2.0
Windows Mail (for Microsoft Windows Vista)
Yahoo! Mail
MSN Hotmail / Windows Live Mail
AOL Mail
Google Gmail

Instant Messaging Software (for Real-time Protection and Data Theft Prevention)

AOL Instant Messenger 5.9
ICQ 5.1, 6.0, 6.5, or ICQ Lite
MSN Messenger 7.5 (for Microsoft Windows XP only)
Windows Live Messenger 8.0, 8.5, or 9.0
Yahoo! Messenger 8.1

Trend Micro PC-cillin

Other Trend Micro Products

Trend Micro Titanium Maximum Security 2011