What this means to Church Windows users on Versions 17 and older who are using either Financial or Contributions is that these versions are not compatible with Windows 10 and may not function properly.
In 2008, the Financial module became the more robust, improved Accounting module. Similarly In 2011, the Contributions module became Donations. Though the majority of churches made the transition right away or have since, some churches may still be using the older, outdated software.
And also on the Church Windows Website Conversion Transtition Page
Please click here to view information on System Requirements