Avast is a popular antivirus, which is used to protect you from viruses and spyware. It's important to install a good antivirus, because these days viruses can spread quickly. Avast is one of the most popular antivirus software available, so we're going to show you how to install it and crack it. First, you'll need to download Avast from their site. Then, you'll need to open the file and follow the...