Our offices will be shut from close of business on Tuesday 23rd December 2025 until Monday 5th January 2026. Between these dates only credit card payments for ReFH 2 and WINFAP 5 will be dispatched, all other orders will go out in the new year. We will be providing limited software support on Monday 22nd and Tuesday 23rd December and the last posting date for LowFlows 2 dongles will be Thursday 18th December until Monday 5th January.
**Wishing you a very Merry Christmas and Happy New Year** :christmas_tree:
ReFH 2 Download
System Requirements
Licence Information
ReFH 2 Release History
Installation Instructions
Download the installer below, then double click the downloaded file to start installation. If you are an existing user upgrading from an earlier version of ReFH2 you should not uninstall your current version first: install the new version on top. This ensures your settings and licence details are preserved.
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Standalone licence
Download 4.2.9376 - Standalone licence
Version: 4.2.9376 | Release date: 02 Sep 2025 | Checksum: 2f95685a53758fc02c2c7957aad39cbc - Bugfix to layout issue on first catchment screen when legacy 2.2 modelling engine option selected; ensures that content is not truncated.
Release notes:
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Network licence
Download 4.2.9376 - Network licence
Version: 4.2.9376 | Release date: 02 Sep 2025 | Checksum: 26ccf08827c284c95fe4e6dad28540c0 - Bugfix to layout issue on first catchment screen when legacy 2.2 modelling engine option selected; ensures that content is not truncated.
Release notes: