Will Advanced Accounting 5.1 run under Windows 10?

As long as you use the 32-bit version of Windows 10, yes, it will.   

An Adv 5.1 system running under Windows 10.  Screen shot taken on July 20, 2016.
( Company name changed to preserve end user confidentiality.)

Will we support this 1996 version of the software running like this?   Of course!

For newer versions of Advanced Accounting and Windows 10, see:

Windows 10 and Advanced Accounting 7i software