Don't use heavy antivirus programs that slow down your PC and don't do a proper job. Malwarebytes is light and efficient. It scans and removes malicious software, including rogue security software, adware, and spyware. This includes protection against malware, ransomware, exploit, and malicious websites.
You will get a key which has a unlimited usage with warranty.
THIS IS FOR WINDOWS PC'S ONLY
Windows 10 Pro 5 activations
Can be activated 5 times on different PC's
Windows 10 Pro 2 activations
Can be activated 2 times on different PC's