You have all the powers that Putin currently does. Everyone completely loyal to Putin is now loyal to you. Enemies of Putin are enemies of you. Putin no longer exists, and there has been a clean and absolute transfer of power to you. The economic, military, social and political situations are the same as they now are. You are not inhabiting Putin’s body, you are just you. You’re magically transferred to the Kremlin. The world at large doesn’t know your past life, to them you have magically appeared as the new ruler. To everyone who knew you before, you just vanished.
Edit: no one knows your past life YET. They’ll quickly figure it out. You will not lose any support based on your actions in your past life.
This… is difficult.
See, the oligarchs love Putin because he keeps them wealthy and comfortable at the cost of his people. If I come in and start helping my people, it’ll come from the oligarchs, then they’ll turn on me. Which comes to the other Putin thing, he’s absolutely feared in Russia. Someone annoys him, polonium tea. To those that are absolutely loyal to him, he has an iron fist with a velvet glove. To those not in positions of power, the glove isn’t there. That’s what his power is.
I’d like to think I’m cutthroat if it were in the name of good… but we’re talking Ex-KGB with top tier paranoia, deservedly earned. I’m pretty sure Putin-Me would have a “self inflicted gunshot” to the back of the head within hours.