Search for question files in a format that can be imported and converted to Examiner files, like FlashCard Exchange or StudyStack files. If you still can't find the subject you are interested in, collect some references about it and write the exam file yourself, using the ExamCreator tool.

While creating an exam, you are in fact learning about the subject, and you would be surprised to see how an exam can still be challenging even when you write it! Finally, there may be many people out there looking for the same material, so you could share your exam and even sell it.

Absolutely no, you won't have to pay anything.

The best place to share exams is the Exam Catalog, but you are free to distribute your exam files using any media/channel, in source (EXS) or compressed (EXF) formats. You can also provide your exams in Trial (password-protected) mode, which allows your users to test them before purchasing them.

No, that setting is used for translation. Even if your language can't be translated by Examiner, you can write exams normally.

Check if .NET Compact Framework is installed in your device. If not, you can download it from Microsoft's web site.