Apple is releasing a new version of its mobile operating system this fall, bringing the company up to a nice round number: iOS 10. Ahead of launch, Apple is allowing anyone to test the software and give their feedback. First, I would not recommend that most people download this beta. Bugs are par for the course with all early software and could try the patience of those who don't test imperfect things for fun. Many apps behave strangely with the beta since it hasn't gotten its final polish yet.