This is official mirror for most of our products for people they have trouble connecting official sources. We have divided our mirror in different sections. It is better to pick official sources if your internet connection allows you to do it. These native sources are much faster and do always contain latest versions automatically.
We do have two versions of desktop client, the version 0.4.0 is to sign in with login & password and all the versions 0.5.0 and up support only authcode. Registration is only possible from version 0.5.0 and up.