Some of the old software before 2010 may not be able to install/run normally on x64 or Windows 10 systems. Be aware of it before purchasing it.
Microsoft Visual C++ 1.5 was released in December 1993, included MFC 2.5, and added OLE 2.0 and ODBC support to MFC. Visual C++ 1.52c was a patched version of 1.5. It is the last, and arguably most popular, development platform for Microsoft Windows 3.x.