It’s not something you can grab as an .exe from a random website.
How to Get OpenGL 4.4 on Windows 10 (64-bit): A Complete Guide
Let’s clear up the biggest confusion first:
You may also be interested in these items:
PDF to DWG Converter
Help you convert PDF file into DWG, DXF file. high quality, ease of use.
DWG to PDF Converter
Convert DWG and DXF files to PDF files directly without need of AutoCAD.
DWG DXF Converter
A batch bi-directional DWG and DXF converter and File version converter without need of AutoCAD!