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.
Delphi 2, released in 1996, supported 32-bit Windows environments and bundled with Delphi 1 to retain 16-bit Windows 3.1 application development. New Quickreport components replacing Borland ReportSmith. Delphi 2 also introduced:
Database Grid
OLE automation
Visual form inheritance
Long strings (beyond 255)