Where to get Internet Explorer 11 RTM

I'm trying to find a download link for Internet Explorer 11 RTM version. The reason is because I have MVC application and IE is crashing on a few versions of IE 11, e.g. 11.0.9600.xxx

I don't know how to debug this. We did find that some users had the IE 11 RTM edition. Once we upgraded to the latest IE 11 version, everything was fine... BUT then there are some users with the latest IE 11 version and IE still crashes for our MVC application.

The Event Viewer doesn't say much (this is the Event Viewer from version 11.0.9600.16428):

Faulting application name: IEXPLORE.EXE, version: 11.0.9600.16428, time stamp: 0x525b664c 
Faulting module name: MSHTML.dll, version: 11.0.9600.16428, time stamp: 0x525b9a19 
Exception code: 0xc0000005 
Fault offset: 0x001060eb 
Faulting process id: 0x1458 
Faulting application start time: 0x01d1d5f7d08a4e7f 
Faulting application path: C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE 
Faulting module path: C:\Windows\system32\MSHTML.dll 
Report Id: 6e64a157-41eb-11e6-86ac-3402869a8223 
Faulting package full name: %14 
Faulting package-relative application ID: %15

OS is Windows 7 x64 on all clients.

Any ideas? or can someone let me know how I can get this version of IE 11?