Since PSD isn't an open format, you can only open it with specific apps. Adobe Photoshop might seem like the obvious choice, but you can use another tool if you don't want to pay for a monthly ...

Free software that can be used to open Photoshop PSD files in Windows and also convert to other file extensions like JPEG.

A PSD file is a layered Adobe Photoshop graphics file. Unfortunately, Adobe Photoshop does not provide you with the ability to export or convert a PSD file to a DXF file.