Hi. Today I realised that my after a major repair to my laptop, I hadn’t installed any anti virus software. I now have installed Avast Cleanup Premium and Avast Internet Security…but am I missing something here? I wanted to check my laptop for viruses.
Philip Edwards
Avast Internet Security will protect you from viruses and allow you to do on-demand scan for viruses if you wish. e.g. Full Scan.
[Edit for typo]
It’s always a good idea (Prudent) when new software is purchased, to open your product and review the different Catagories and settings throughout the UI (User Interface) 
https://support.avast.com/en-ca/article/Open-Antivirus-user-interface
Google Search: ‘Avast Internet Security Settings’