Latest results are in for a lot of Anti Virus products and how they perform on various platforms. I was particularly surprised to see the results (you have to click the little arrows at the top of the test report column) regarding my two favorite commercial products on Windows 8.1 Kaspersky finished at the top and Eset finished at the bottom. You can read more here and see if your favorite product is listed and how it ranked. [url]http://www.av-test.org/en/tests/home-user/windows-8/novdec-2013/[/url]