There's a lot you need to know about this tour, especially how to get there. The typical procedure is arrival in Lima, the capital city of Peru. Usually, people stay there for a few nights, travel around Lima, and then go to Cusco; here they start preparing for their tour.
When you first arrive in Cusco it's very important that your body gets used to the altitude, you definitely don't want to suffer from altitude sickness while touring Machu Picchu. So that would be the best place to start acclimatization. During the first 24 to 48 hours without alcohol, don't overeat and try to be calm; So there is no transition. It is a good option to book now your tickets to explore the destination of Machu Picchu.
In a day or two, you should be ready to continue your journey to Peru and your tour. From Cusco, take the tour bus provided by your tour provider in Peru to Ollantaytambo, where you will take a train to Aguas Calientes. Upon arrival in Aguas Calientes, you will most likely need to spend the night before heading to the final leg before arriving at Machu Picchu.
An evening in Aguas Calientes before visiting Machu Picchu can also be a lot of fun. If you go out, here you will probably meet a lot of tourists from all over the world to visit the Inca forts inside, they will most likely take a similar tour if not the same as you. The city is full of restaurants, bars, and shops. It will be fun to explore your destination.