You cannot run 16-bit binaries natively on 64-bit Windows. You must install the software inside a 32-bit virtual machine (using software like VMware Workstation Player or Oracle VirtualBox running a 32-bit Windows 7 instance) or use compatibility layers like WineVDM. Error: "Database not found" or "Cannot read PDF.DAT"
: Allows users to compare experimental X-ray Diffraction (XRD) data against the JCPDS "fingerprint" database for material identification. pcpdfwin jcpds software 13 install