There should be a way to remove a virus without antivirus software. Most antivirus software is really expensive and I don't want to expend huge money on testing unknown antivirus software. I downloaded some free antivirus software but found that they are not really free! Some ask for a payment straight-up or allow you to scan for malware but have to pay to clean out the virus. 'I had a sudden drop in PC performance and I assumed it could be a virus. How Can I Remove Virus from My Computer Without Antivirus Full stepsįirst, turn Oon Virus & threat Protection in Windows Defender. Open Control Panel > click 'Windows Defender Firewall' > Turn Windows Defender Firewall on or off. Open System Configuration or Task Manager, go to the Startup tab. On the Processes tab, check each running process.
Press Ctrl + Alt + Delete to open Task Manager.