Kingsoft Office Software WPS Office 10 Business Edition Best Microsoft office alternative 100% compatible with Microsoft Office Full PDF support, over 200 fonts, 100s of free template and more Great for Any Business Professionals, Great Compatibility, Familiar Formatting Tools, Document Collaboration & Spell Check Required Operating System: Windows XP / Windows Vista (32bit, 64bit) / Windows 7 (32bit, 64bit) / Windows 8