We stayed twice during our visit to Moscow. The first time we had booked a twin without window, but were given a twin (bunk ) with window. The second stay we booked the double with window and it was better sized than the twin.
The rooms are small and basic. It is just a place to sleep. The rooms are clean and the linens clean. There are 4 toilets, 2 have showers. The 2 without showers are tiny but are useable. Hot water is inconsistent with the gas heating system. There was always soap and paper in the toilets.
The kitchen has all appliances but an oven. There are minimal cooking supplies, utensils, and dishes. We were able to cook with the one pot and skillet. However there were only about 2 spoons so you may have to wait for something if its in use. There is fresh drip coffee and tea free all day.
The staff was pleasant with us. They spoke english or used Google translation to converse. We were always greeted and they answered all our questions and requests. We arrived at 8am the first day and they were kind and accomodating. We checked in early, they quickly prepared the room and we were offered fresh coffee.
The location is perfect! Easy walk to Kremlin and metro.
We found the hostel quite ok. You don't spend much time at the hotel/hostel when in Moscow, so this place works out ok. One of the cheaper places around, too.