The Free DWG Viewer program is mostly used by either people that use CAD or who wish to see CAD designs. If you have a file that was created by CAD software but you to do not have a CAD compatible program on your computer then the Free DWG Viewer program is just what you need.
A Small Program That Does What It Says It Will
If you have a Windows computer and you wish to view AutoCAD DWG files or DXF files or DWF files or files that are CSF (IGC Content Sealed Format) then you may do it with the Free DWG Viewer. You will not require compatible CAD packages or AutoCAD in order to view them because you can do it with the Free DWG Viewer. The viewer does not have a fancy or advanced viewing GUI. It is actually reminiscent of the old software they used to use for viewing X-ray files but it does its job very well. It converts the files to a format that Windows computers can understand.
Conclusion - Perfect If You Do Not Have AutoCAD Or CAD Compatible Software
Use the program if you need to open and view AutoCAD DWG DWF CSF or DXF files. The tool doesn't do much else which means you cannot edit the file in any serious way but that is because why the file viewer is so light and easy to download. It is perfect for Windows users that do not have AutoCAD or CAD compatible software.