1. Original Passport: Provide your original passport with a validity of at least six months beyond your intended stay in Russia. Make sure your passport has at least two blank pages for visa stamps.
2. Visa Application Form: Fill out the visa application form accurately and completely.
3. Passport-size Photos: Provide two recent passport-sized photos with a white background. The photos should meet the specific requirements set by the embassy or consulate.
4. Visa Invitation: Obtain a visa invitation or tourist voucher from a registered Russian tour operator, hotel, or a Russian citizen. This invitation should include details such as your name, dates of travel, and the cities you plan to visit.
5. Travel Itinerary: Provide a detailed travel itinerary outlining your planned activities and destinations in Russia. This can include hotel reservations, flight/train bookings, and a day-by-day plan of your stay.
6. Medical Insurance: Obtain valid travel medical insurance that covers your entire stay in Russia. The insurance should provide coverage for medical emergencies, hospitalization, and repatriation.
7. Additional Documents: Additional documents may be required based on your specific circumstances. This can include a letter of employment, proof of ties to your home country, or a letter of introduction from a reputable organization or individual.

The duration of stay granted on a Russia tourist visa can vary, but it is typically valid for a stay of up to 30 days. Some nationalities may be eligible for a longer duration of stay, such as 90 days. The exact duration of stay will be determined by the immigration authorities at the port of entry.

The processing time for a Russia tourist visa can vary depending on the location where you apply. It typically takes around 10 to 20 working days for the visa to be processed.