I need your help can anyone help me how to play on a computer



Hello I’m new in this bulletin board .My hubby got me a camcorder canon DC100
I used DVD - R disc to take some video and pictures as well and now i want to watch that video i took on the computer but my pc wont open anything.I try to used the other disc D V D - RW disc i took some vidoe and i finalized it on vidoe mode still i cannot open can anyone help me about this ?How i can open the DVD- R and DVD -RW disc using computer the size of my disc is 2.8 GB and its 2X/1X.Thank you in advance