Method To Test Your Antivirus Strength:-

Copy the below code and paste it in your notepad and save it with .exe or .com extension , for example testantivirus.exe or antivirus.exe or test.com.

X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*

After you save run the file ,if your Antivirus detects it as a threat then your Antivirus strength is good and working fine or else switch to other Antivirus.
Did your antivirus detect it as threat?
If detected what is your antivirus ?