Place all documents in a foreign language to Russian. The translation must be certified by a notary. Also, all documents, except the passport of a foreign citizen must be apostille. It is possible to put the country of origin of the foreign spouse, or in the embassy of his country in Russia. Apostille make documents legalized, that is valid for the Russian authorities.
Apply to the registrar. If you enter into a marriage with a citizen of the CIS, then your application will, in any registry office. For the citizens of the Far abroad the situation may be more complicated. For example, in Moscow, the bride and groom should go to the Wedding Palace №4. In other cities, the function of registration of such unions take on the Central Registry Office.
If your future spouse is not already in the country, get from him a written statement that he wishes to apply for a marriage. If necessary, translate the text into Russian. With this application you will be able to come to the registrar alone and to choose a wedding date.
Marriages in Russia are under Russian law. For example, you can not register their marriage with an already married man, even if his country is allowed. Such a marriage would not be considered legal in Russia. The same applies to restrictions on age - a Russian bride and groom must be at least 18 years, although in rare cases, the age of marriage in connection with the special circumstances washes be reduced to 16 years.