System Requirements

Before installing Dr.Web:

•Remove any anti-virus software from your computer to prevent possible incompatibility of resident Dr.Web components.

•In Windows Server 2016, disable Windows Defender manually, using group policies.

•Install all critical updates recommended by the operating system developer. If the operating system is no longer supported, then upgrade to a newer operating system.

•in case of installation of Dr.Web Firewall, uninstall all other firewalls from your computer.

Dr.Web is not compatible with proactive security products developed by other manufacturers.

Dr.Web can be installed and run on a computer that meets the following minimum requirements:

Component	Requirement
CPU	An i686-compatible processor.
Free RAM	Minimum 512 MB of RAM.
Operating system	For 32-bit platforms: •Windows XP with Service Pack 2 or higher •Windows Vista with Service Pack 2 or higher •Windows 7 •Windows 8 •Windows 8.1 •Windows 10 For 64-bit platforms: •Windows Vista with Service Pack 2 or higher •Windows 7 •Windows 8 •Windows 8.1 •Windows 10
Resolution	Minimum recommended screen resolution is 800x600.
Other	For the Dr.Web for Microsoft Outlook extension, one of the following Microsoft Outlook clients from the Microsoft Office package is required: •Outlook 2000 •Outlook 2002 •Outlook 2003 •Outlook 2007 •Outlook 2010 with Service Pack 2 •Outlook 2013 •Outlook 2016

To ensure a correct operation of Dr.Web the following ports must be opened:

Purpose	Direction	Port numbers
To activate and renew the license	outgoing	443
To update (if the option to update using https is enabled)	outgoing	443
To update	outgoing	80
To send email notifications		25 or 465 (or depending on the settings of email notifications)
To connect to Dr.Web Cloud	outgoing	2075 (including UDP)

Other system requirements are similar to those for the corresponding operating system.