Keeping your Anti-Virus software up to date is vital to ensuring your computer remains secure against hackers and phishing attempts. If you're using Trend Micro Anti-Virus, you can get the latest version simply by clicking the download link on this page. Updaring your Virus Pattern File will add the most recently released viruses to your database, keeping you safe against brand new threats. On average, there's about 200 major viruses developed on a monthly basis, so you can see why keeping your definitions up to date is extremely important. Downloading and applying the update is completely free, all you need is an already existing installation of Trendo Micro Anti-Virus, and you will be able to install the update.