You shouldn't rely only on the security tools built into of Windows or Mac OS to protect your computer from malware, spyware, and rootkits. High-quality antivirus software can detect and blocks more kinds of malicious software than their in-built counterparts can.

A good antivirus that is premium should be compatible with your operating system, and shouldn't take up all of your computer's resources. Additionally, it should be updated its malware database regularly to ensure that any new cyber threats are discovered quickly.

Some of the best premium antivirus programs available on the market offer additional features such as password managers, VPN and dark web monitoring in addition to blocking and malware detection capabilities. This additional software helps keep your device(s) and your data safe and secure and is typically offered as a separate subscription.

It is essential to select an antivirus program that has a good track record for customer service and a hefty refund policy if you're not happy with it or encounter any issues. Top brands offer 24/7 support and an extensive online knowledge base to assist you with any problems you may encounter. They should also offer several payment options, so you can select the one that's most appropriate for you. Additionally, you should choose an option that is designed to work on both mobile and desktop devices. This will give you greater security knowing that your laptop and smartphone are safe from malware when you are on the move.