About BETA keys. Beta version of product has included keys, so you do not need enter key, just click "Use trial version" and beta key is activated automatically.
We give keys for release products to best testers. So, if you will one of the best tester in the end of this test season, i think you will have great chance to receive keys for release product.
About difficulties with connection: I am so sorry that you have this problem, i will transfer you problem to Admin of forum.