TruePDF is the first truly free PDF printer, creator, and writer that quickly create PDF files from virtually any application on Microsoft Windows 7, Vista, 2008, 2003, and XP without the need for GhostScript or Adobe Acrobat. The software features a smart installer can set up both x86 and x64 PDF print driver on 32-bit and 64-bit operating systems. To create PDF document is as easy as printing from within any Windows application, such as Microsoft Word, Excel, PowerPoint, Visio, Autodesk AutoCAD, Quark QuarkXpress, to this TruePDF printer. This freeware program only creates PDF document in A4 size. If you need such paper size as Letter, Legal, A3, A2, A1, A0, B1, B2, B3, B4, B5, you might consider TruePDF Pro. Upgrade to TruePDF Pro, and you will get more features in font handling, document security, image & graphics compression, watermarking, resolution, orientation, quality control, document properties etc.