Take a look at any rankings of big independent antivirus and Bitdefender's premium security products always rise to the top.
It tends to be reliable and accurate in its virus detecting, featuring web filtering to blocks access to malicious sites, a secure browser that keeps your online banking ans shopping transactions safe, and there's a password manager which auto-completes credit card details in web forms. It also scores high for its excellent anti-phishing module, which alerts you to malicious links in your search engine results and blocks access to dangerous sites.
New for the 2019 version of Antivirus Plus are multi-layer ransomeware protection that heuristically learns the behaviour of such threats to keep you safe as well as the ability to scan all your linked devices via the Bitdefender Central mobile app.
There are one or two issues – it grabs more resources than average, and might conflict with some programs – but Bitdefender Antivirus Plus 2019 is still a likeable package which offers excellent detection rates, great performance, and more than enough bonus features to justify the price.