Where do software and games place their registry keys?

Question

Simply put, where does software usually place their registry keys (I mean which folder of the registry in regedit)?

In every folder of registry there are many many sub-folders.

Answer 1

Consistency in registry paths is awful. Usually though, you're going to find what you're looking for under HKEY_CURRENT_USER\SOFTWARE, or HKEY_LOCAL_MACHINE\SOFTWARE.

Answer 2

There are a lot of places applications can write values to the registry.

A common, application-specific location though is

HKEY_CURRENT_USER\Software