Short answers, pulled from the story.
Boris Yeltsin became chairman of the Supreme Soviet in May 1990 before being elected president of the Russian SFSR on the 12th of June 1991 with 57% of the vote. He served as the first non-Communist Party member to hold such a role after the collapse of the Soviet Union.
A presidential candidate must be at least 35 years old and have permanently resided in Russia for 25 years since constitutional amendments increased the requirement from 10 years in 2020. Candidates cannot hold foreign citizenship or possess a residence permit anywhere else while running for election.
The last election took place in 2024 with the next one scheduled for 2030 according to current regulations. Voting occurs on the second Sunday of the month across the entire territory of the Russian Federation under the Presidential Election Law.
Three individuals have served four presidencies spanning six full terms including Vladimir Putin who served eight years in office initially. An amendment passed in 2020 reset term counts allowing both men to serve two additional terms regardless of prior service.
The primary working residence since 2000 has been the Senate building located in the Moscow Kremlin complex. Novo-Ogaryovo serves as the current home residence while several vacation residences exist including Rus State Residence in Tver Oblast and Bocharov Ruchey in Sochi.