What do you feel is the best way to protect your system from malicious program attack(virus, worms etc.). Somebody told me that we can achieve it by doing some seetings in registry but i don't know the exact procedure
You Have To Install Antivirus To protect your System.You can Use Bit Deffender Antivirus to Protect Your System.if you are Computer Expert Then You can Use Some Security Tools To Protect Your System. Like Hijack This. Explore XP. Etc.
Virus free system 
Linear Mode
