(Needless to say, everyone who has used ESET knows it, whether it is: ESETNOD32 Security Suite 4 or: ESETNOD32 Antivirus 4 can automatically obtain the serial number, the software is pure green and definitely non-toxic. Maybe some people who quit their jobs don't understand ESET very well. Regarding the antivirus software I have used a lot, ESET is NB in ??terms of memory, antivirus, and antivirus. Especially for notebooks and low-end cameras, it must be a good killing software. Auto-start can be canceled)