Cashflow Manager, and associated products, are designed to run on a PC computer running Windows 8.1, Windows 10 Anniversary Update or later, and .Net Framework 4.7.2. In some cases the software may run on Windows 7 but this will depend upon the Windows 7 updates installed on the computer. Please Note: Microsoft will not support Windows 7 from 14th January 2020.
You will also need at least 4GB of RAM and a monitor with a resolution of 1440 x 900 or higher to run the software.