• System

• PowerPC Macintosh G4 or higher

• Mac Intel

• OS X (10.5.x, 10.6.x)

• CD-ROM drive

• 128 MB of RAM

• Hard disk with 180MB available

• Internet connection required to search Internet databases

• EndNote files are compatible across Windows and Macintosh platforms.

•  

Handheld Requirements :

• Handheld devices manufactured by Palm (from the Zire, m or Tungsten series)

• Palm OS 4-5.2

• Serial/USB HotSync

• For devices with 4MB of RAM or more.

Word processor compatibility :

EndNote X4 is compatible with the following word processing and text formats:

• Cite While You Write feature: Microsoft Word 2011 & Word 2008(SP1), Word 2004, Paper 09

• RTF Document Scan: works with other word processors that can save documents to Rich Text Format, including Nisus, OpenOffice, FrameMaker, AppleWorks and more.

 
Update Office for Mac :
 http://www.microsoft.com/mac
 

     Pentium Processor or Compatible

• Microsoft Windows XP SP3 or Vista or Windows 7

• CD-ROM drive

• 128 MB RAM

• 180 MB of free hard-disk space

• Internet connection required to search Internet databases.

• EndNote files are compatible across Windows and Macintosh platforms

• EndNote X5 is Unicode compliant.

Handheld Requirements :

• Handheld devices manufactured by Palm ( Zire, m or Tungsten series)

• Palm OS 4.1-5.2

• Serial/USB HotSync

• For devices with 16MB of RAM or more.

Word processor compatibility :

EndNote X5 is compatible with the following word processing and text formats:

• Cite While You Write feature: Microsoft  2003 or 2007 or 2010 OpenOffice.org Writer 3

• RTF Document Scan: works with other word processors that can save docu-ments to Rich Text Format, including StarOffice, WordPerfect, OpenOffice, FrameMaker and more.