If your system got a malicious attack and the system doesn’t have any antivirus installed then No need to worry. You can scan your PC without installing antivirus. In most of the new computers, antivirus is pre-installed. So no need to worry if computer is new.
Many people do not install any antivirus software because it can slow down their system. But there is a chance of a virus attack every time, if you are connected to internet.
What will you do, when your PC got infected with a virus? If you have an antivirus installed on PC then it is already prevented from getting any malicious attack. But if not installed then malicious program will spread in to whole windows and conflict with other programs.
Most people will install new Windows OS to get rid-off that nasty virus program. If you don’t have any backup of your data, it may get lost after installing OS.
But there is no need to worry. There is another great solution which can scan your PC without antivirus.Kinda different. Let’s proceed with it.