Use of linux will give you peace of mind as there is no piracy issue, no viruses, no regular system formats due to viruses, no slow speeds due to virus activities or antivirus scanning & updates.
Linux helps you in using more system resources for productive work as there is no antivirus updates, no virus infection and no system scanning for viruses.
Linux is secured because of its strong file system, login based system, various level of permissions, no executable & registry.
Linux is virus free because of its security. There is no .exe files, no registry where virus or malware can put their information, no execution permission by default for new or copied files
All linux copies are genuine, there is no license fee, no copyright. Linux is free to use, copy, change and redistribute.
No need to install general purpose softwares as Linux is already bundled with a lot of general purpose softwares & packages.
You don't have to re-format my system again and again after every few weeks. (Its virus free).
No antivirus means all your system resources & Internet speed is for Your USE. Not for updating antiviruses, regular scanning of complete system etc.
No need of antivirus means saving the antivirus licensing & renewable cost.
no Piracy, no fear (all Linux copies are genuine)