Cumulative Security Update for Internet Explorer 8 in Windows Server 2008 R2 x64 Edition (KB2183461)

http://www.microsoft.com/download/en/details.aspx?id=86

Update for Microsoft Office Outlook 2007 Junk Email Filter (KB970012)

http://www.microsoft.com/download/en/details.aspx?id=55

Windows Internet Explorer 8 for Windows XP

http://www.microsoft.com/download/en/details.aspx?id=43

DirectX End-User Runtime Web Installer

http://www.microsoft.com/download/en/details.aspx?id=35

Windows Imaging Component

http://www.microsoft.com/download/en/details.aspx?id=32

Windows XP Service Pack 3 Network Installation Package for IT Professionals and Developers

http://www.microsoft.com/download/en/details.aspx?id=24

Windows Search 4.0 for Windows XP (KB940157)

http://www.microsoft.com/download/en/details.aspx?id=23

Windows Defender

http://www.microsoft.com/download/en/details.aspx?id=17

Microsoft® Windows® Malicious Software Removal Tool (KB890830)

http://www.microsoft.com/download/en/details.aspx?id=16

Update for Microsoft Office Word 2007 (KB974631)

http://www.microsoft.com/download/en/details.aspx?id=9

The 2007 Microsoft Office Suite Service Pack 2 (SP2)

http://www.microsoft.com/download/en/details.aspx?id=5

2007 Microsoft Office Add-in: Microsoft Save as PDF or XPS

http://www.microsoft.com/download/en/details.aspx?id=7

Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint File Formats

http://www.microsoft.com/download/en/details.aspx?id=3

Downlaod skype which installs on windows server 2008 r2.

http://blogs.skype.com/garage/2008/04/skype_38_beta_for_windows.html

Only this version is working on windows server 2008 R2. Other versions not working.

Windows PowerShell 2.0 and WinRM 2.0 for Windows Server 2003

http://support.microsoft.com/kb/968930/en-us