AntiVir or AVG are two good free anti-virus programs.
Nothing is virus free and safe. No matter what operating system, or internet browser you ever use; nothing is virus safe. The best thing you can do is keep your system up to date, keep your browser up to date, and ascertain that you have a great virus detection program installed.
To keep your system, malicious from the virus and malware it is important that you use anti-virus.
Probably YES. No operating system that I know of does that. If it actually says "Fatal error: entire PC going to die get anything off of it you wish to keep", then it is DEFINITELY a virus.
All the OS are compatible with dual OS.but here i will suggest you keep it parallel.
Keep your system up to date. Run regular virus scans and keep passwords on admin accounts.
Because of missing operating system files
No
Yes
Yes
No, niacin will not clean drugs out of your system.
by drinking plenty water
The operating system keeps all programs organized. It also allows you to partition hard disks and store files on the computer.