Уважаемый, Виталий. Вот ссылка на которой все подробно описано http://www.russia.uz/russian/consul/state

No, there is no any special low which can provide you with visa if you are not married with your fiance, even you have common children. You can come to Russia to marry and make permission for temporary residence without quotas for three years.

Hi.this is Eren.I want to work and live in russia esp in Chelyabinsk эf I can find a job.What э have to do for this or can do?Can u help me?

You must at firs come to Russia. from which country are you from? My sweetheart also wants to live and work in Russia. But at first we must marry so he can stay in Russia.