This article will suggest several websites where you can scan your Windows PC for viruses for FREE, without downloading any software. As you all know, there is a huge variety of virus scanners on the market such as: Norton, Mcafee, AVG, ESET, etc. But if you don’t have the budget or don’t want to install a virus scanner that is constantly monitoring and scanning your file system in the background and eating up memory and CPU cycles, doing a free browser-based scanned is a good alternative. Below is a list of several websites that offer free virus scanning. If you suspect you may have a virus, it may not be a bad idea to try out more than one of these.