The latest version of Duco is v0.1.80 and is available for free download - 55MiB.

Minimum system requirements:
    Microsoft Windows 8.1 or 10, all x64 only - might work on 7, but I have no way of testing this.
    125MiB harddisk space for application and up to around 1MiB a peal database with 4000 peals.
    1024MiB RAM.
    Pentium processor or above.
    Screen resolution of at least 1024 x 768.
    Microsoft .NET Framework Version 4.5.2

The .NET framework is usually installed with windows, if it is not already installed on your computer it can be downloaded from the Microsoft website.

The Visual Studio redistributables, if not already installed on your computer can be downloaded from the Microsoft website.

Additional downloads - sample databases

Owen Battye Ian Campbell
Paul Curtis Ruth Curtis
Clive Smith Derek Thomas
John Thurman Ashley Wilson
Simon D Woof Paul M Mason
Burnley Barnoldswick
Dordrecht Flixton
Northampton - All Saints PDF XML           Northampton - St Edmunds PDF XML
Northampton - St Peters PDF XML Northampton - Holy Sepulchre PDF XML
Lundy island PDF XML Todmorden Unitarian
Heptonstall Walkden - incomplete
Manchester university guild(4 errors) PDF XML Manchester Society PDF XML
Shipping forecast series

Additional downloads - Other files

Fourway table of Minor methods - Open Office or MS Word

Version history