WIX: How can the registry key be changed based on the OS on which the installer is running?

Question

I want to set registry keys in following way

if OS is Vista then HKLM\\MyKey1\\MyValue=1 else HKLM\\MyKey2\\MyValue=1

I know how to set Registry keys

Answer 1

Technically speaking, you should use two different Components to install those Registry keys since they are completely different paths. Then you can Condition the Components with the VersionNT property.