Two other possibilities click here might give you some ideas.
However, an even better way is to connect camera to suitable DVD Recorder connected to TV, you could then record direct to DVD. You would not be able to edit footage this way, whereas doing so via PC enables editing of footage.
If you mean 8mm film - Kodachrome and others, it may prove simpler in the long run to have the work done professionally.
But if you prefer to DIY then you will need an 8mm projector, a dark room or suitable 'white box,' and ideally a digital camcorder.
I did it in two stages separated by >20 years. I borrowed some Sony device which converted the projected 8mm and Super 8 to VCR. Only last month I transferred the VCR tapes to HDD (Panasonic digibox) and then dubbed DVDs from the tapes.
Technotiger has given you a short cut between projection and the DVD. It all depends where you start and what equipment you have available
what will the quality be like? With luck, at least as good as the original. Some of my original 8mm film was 50 years old and quality varied with the particular 8mm camera used at the time. All of it was worth having for family nostalgia. One film which stood out for quality was only 20 years old and taken on a Panasonic camcorder.