Dr.Web can be installed and run on a computer that meets the following minimum requirements:
Parameter |
Requirements |
|---|---|
CPU |
An i686-compatible processor |
Operating system |
For 32-bit platforms: •Windows XP with Service Pack 2 or later •Windows Vista with Service Pack 2 or later •Windows 7 with Service Pack 1 or later •Windows 8 •Windows 8.1 •Windows 10 22H2 or earlier •Windows Server 2003 with Service Pack 1 •Windows Server 2008 with Service Pack 2 or later For 64-bit platforms: •Windows Vista with Service Pack 2 or later •Windows 7 with Service Pack 1 or later •Windows 8 •Windows 8.1 •Windows 10 22H2 or earlier •Windows 11 24H2 or earlier •Windows Server 2008 with Service Pack 2 or later •Windows Server 2008 R2 with Service Pack 1 or later •Windows Server 2012 •Windows Server 2012 R2 •Windows Server 2016 •Windows Server 2019 •Windows Server 2022 •Windows Server 2025 |
RAM |
Minimum 100 MB |
Screen resolution |
Recommended 1024 × 768 or higher |
|
As Microsoft has stopped supporting SHA-1 hashing algorithm, please ensure that your operating system supports SHA-256 hashing algorithm before installing Dr.Web Katana on Windows Vista, Windows 7, Windows Server 2008 or Windows Server 2008 R2. For this, install all the recommended updates listed in Windows Update section. For the detailed information, please visit Doctor Web official website
Reliable and uninterrupted operation of Dr.Web is not guaranteed on hardware with custom configurations, such as overclocked processors, modified memory parameters, or power voltage settings. |
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 connect to Dr.Web Cloud |
outgoing |
443 (TCP) |