Thank you for downloading DRAINS!

Download the DRAINS program to install or to update an existing installation.


The current version of DRAINS is 2022.012 – 08 February 2022
DRAINS runs under Windows 98 through Windows 11.

DRAINS Installation & Licensing

DRAINS requires valid licensing files ‘Drains.duc‘ and ‘Drains.txt‘ to be located in ‘C:\ProgramData\Drains‘ (NOT ‘C:\Program Files\Drains‘). You can find these files included on your USB received when purchasing DRAINS, or in an email from Watercom when renewing updates and support.

Installation Guides