With the Bitdefender Virus Definitions app, you can easily update Bitdefender (AV, IS, TS) on Windows computers when the Internet connection is too slow or when you don’t have Internet access. Desktop Products Updates for: Bitdefender Antivirus Virus Definition Update 64bit Bitdefender Internet Security Virus Definition Update 64bit Bitdefender Total Security Virus Definition Update 64bit You can download the updates manually to a computer with Internet access and then transfer them to your offline computer using a removable device, such as a flash drive. The update package is called weekly.exe and is released every Friday. It includes all the virus definitions and scan engine updates that are available up to the release ... Read More »

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