Kartinki na rabochij stol priroda 5.ģ2-bit or 64-bit? If you're unsure of your PC's operating system just use the Live Installer option or call our helpdesk. We strongly recommend you UNINSTALL any existing security software before installing ESET as they can sometimes clash.' Activate' the software during installation with a valid licence key for a paid licence, or an email address for a 30 day trial. The Full and Free Trial download files are the same.