Need latest version of OpManager to install NetFlow Analyzer

Need latest version of OpManager to install NetFlow Analyzer

Hello Support,

I installed the latest OpManager on my Windows 7 & 08 R2 machine. Both are 64 bit version.
Immediately after installation (did not run OpManager once), I then installed NetFlow Analyzer.
But it asked me to upgradeOpmanager to the latest version.

Can you help? 

Thanks
Yi


OpManager link that I used:   http://www.manageengine.com/network-monitoring/29809517/ManageEngine_OpManager_Central_64bit.exe
File Version: 15.0.0.498
Product Version: 15

NetFlow link:
http://www.manageengine.com/network-monitoring/29809517/ManageEngine_OpManager_NetFlow_Plug-In_9800_64bit.exe
Version: 2.11.15.0
Product Version: 7