antivirus

slow, updated, useless

My computer ran so slowly after installing that updated antivirus software.

downloaded, hasn't, install, installed, like, looks, update, use

I downloaded antivirus software last week because my computer kept running slowly.

computer, software

I installed a new antivirus software on my laptop yesterday to protect it from malware.

on

I installed antivirus software on my computer to protect it from malware.

regularly

I regularly update my antivirus software to protect against the latest threats.