However, have you thought of going open-source to secure your system? There are good reasons to go with free and open-source ...
Once Microsoft Safety Scanner is up and running, you can run a quick scan, full scan, or custom scan. Of course, if you're not using Windows ... system (once it's malware-free).
Hackers are known to place malware, virus, and even use it for phishing if there is a security lapse. As an end-user, you may want to, at times, scan a website to make sure it will not harm you.