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ESET Smart Security 4 and ESET NOD32 Antivirus 4 have arrived! Existing customers with valid licenses for prior product versions (ESET NOD32 Antivirus 2.x, ESET NOD32 Antivirus 3.x, or ESET Smart Security) may upgrade to version 4 for the same price as the renewal of their existing license version. If you wish to upgrade to a version 4, please download the version 4 installation file from the download page and install it after uninstalling your existing version. To find out what's new in version 4 and why it's even faster and more effective than the previous versions, click here.
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