Assuming you're using Windows and you really need antivirus, just use built in Windows Defender. While it doesn't offer best security, it's not too annoying (less false positive or annoying pop-up) and use less resource than other antivirus.
Is there any strong antivirus I can use to safeguard my PC from malware? I have few coins that runs wallet only on PC but it's very easy for PC to get compromised that's why I'm looking for a safer tool that can fight Trojans and malwares.
Under Windows, my experience tells that the stronger the security/antivirus system on your PC is, the more difficult it can be to work on that PC. It may block access to legit files or even installers (false positives or unrecognized binaries), it may remove legit program on sight (false positives), it will slow down the system (opening/reading/parsing each and every file you copy, your system uses, or just present in a folder you're opening).
Additionally, some antivirus these days acts like virus (especially the free one). They would steal and sell your data[1] or even perform cryptocurrency mining (which use lots of your PC resource and affect your electricity bill) without explicit consent[2][3].