Operating Systems Mac OS X 10.4 PPC, Mac OS X 10.5 PPC. About the Author Get IrfanView ( version 4.56)ĭownload DWG/DXF Converter for Mac to convert DWG or DXF files from version 12 to 2010. I would like to sincerely thank all you faithful IrfanView users who send me messages of good wishes, congratulations and appreciation. Supports Windows XP, Vista, 7, 8, and 10.