Transfer settings to another computer


I installed gpg4win on my laptop and I imported the keys I have on my desktop.

The problem is, everytime I start GPA on my laptop it asks if I want to create a new key because I don’t have one.

On my desktop, if I go to Edit->Preferences I can see my two keys in the list where I can choose one as default. But on my laptop the list is empty.

How can i set one of the imported keys as my default key? Or better yet, how can I fully backup/restore every setting from my desktop to my laptop?

Thanks in advance

Never mind. I found the problem.

I was exporting the keys which is wrong.
The proper way was to Right Click → Export