Microsoft Dynamics AX 2012 and AX 2012 R2 Solution Demos

you can download Demo Data for AX 2012 R2 from this link

https://mbs2.microsoft.com/fileexchange/?fileID=ddcf3aa2-13fe-43f2-84c1-c7722765b81a

Installation instruction from below link

https://mbs.microsoft.com/downloads/customer/AX/AXDemotools/InstallationInstructions.pdf

below link content Microsoft Dynamics AX 2012 Solution Demos  from partner source

https://mbs.microsoft.com/customersource/downloads/servicepacks/ax2012demotoolsmaterials.htm?printpage=false&sid=f43n4qi1s315q2yflahu5va1&stext=ax%202012%20r2%20Demo%20data