WaterSums 1.2.6 is available for download. WaterSums is available with a 30-day free trial, so download and try version 1.2.6 today. If you have already had a 30-day free trial with an earlier version which has now expired, you will be allowed an extra 7 days free trial with this version. More screenshots are available here.

WaterSums is not free software. Please read the simple WaterSums Software Licence Agreement. To buy a licence for WaterSums,
visit the purchase page.

The current version is 1.2.6 (released 28 March 2017 – see Release Notes).

The following items are required:

  • .NET Framework 2.0 with Service Pack 2
  • Internet Explorer 7 or later
  • Silverlight 5.0 (Click to download)

Once all of the prerequisites above are installed, click the button below to install the application.

Install WaterSums! (Single download for 32- or 64-bit. Download size: 20.9MB)

NB: if you are using Vista or above and have problems with the download hanging and then timing out, try running the following command as Administrator:

netsh interface tcp set global autotuning=disabled

This slows down the download a little by removing autotuning to optimize speed, but makes it more likely to succeed.



The following items are included in the software installation, but can also be viewed/downloaded separately: