How to Check your Antivirus’ Strength

First, open Notepad. Then copy-paste the below text.

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

Then select File, Save, select All Files for the file type, then save the file as “Virus Test.com”.
Now, scan the Virus Test.com file manually (some will automatically detect it).