Expert PDF 9 is the complete affordable PDF alternative to Adobe Acrobat; offering full compatibility with Microsoft Office 2010 you can quickly & easily create convert edit & view 100 industry-standard PDF files System Requirements Minimum Processor Requirements Pentium IV 16 G Hz Minimum Memory Requirements 512 MB Minimum Storage Requirements 30 MB Operating System Requirements Windows Vista 7 8 Licensing Version 9 Product Type Web Page Creation & Editing Software