There are free versions that we remember from years ago still around - though now refined - and also some newer or much-revamped paid-for programs that are more comprehensive than ever. However, in the year 2021, it is a very saturated market. If you're looking to beef up security on an Apple Mac or MacBook though, you might want to consider checking out our antivirus for Macs guide. So, whether you have a premium machine like one of the best gaming PCs or one of the best gaming laptops, or just a cheap one for work, having one of the best antivirus will protect you while you work or play.