Avast is a very good when compared to norton antivirus.
The Best part of Avast! is it's RTP[Real Time Protraction] system. It means you don't have to scan every app or game before running them in your computer. Just download and play. Avast! will scan the software in it's execution and if something is wrong found it will Immediately stop the software before it's installation in your PC.
It also has some Extra features, like:-
1. AutoSandbox, that allows you to run suspicious programs into a protected environment.
2. A web browser plugin provides comprehensive security ratings, protection against malware, phishing sites and Do-Not-Track (DNT) functionality for improved anonymity on the Internet.
3. DeepScreen technology allows avast! to make more intelligent decisions about unknown files.
4. Continuously streaming update (CSU) technology.
5. SafeZone for more secure online shopping and banking.
6. Rescue disk - allow users to create a bootable CD or flash disk with Avast on it.
7. Firewall to provide better protection to your Windows OS.
1. Simple UI.
2. Complete Security solution for PC.
3. Real Time Protection.
4. Anti-Virus data update in every 12 hours.
5. It Provides better User control over the app than other anti-virus.
1. it add extra 20 Seconds in your PC boot-up time.