What is the version of the following sentence with correct punctuation?

It uses file signature search key feature to identify each RAW photo file format based on unique signature assigned to each file and performs RAW picture recovery from all popular brands of digital camera like Canon Nikon SonySamsung Kodak Panasonic Olympus etc
It uses file signature search key feature to identify each RAW photo file format based on unique signature assigned to each file and performs RAW picture recovery from all popular brands of digital camera like Canon, Nikon, Sony,Samsung, Kodak, Panasonic, Olympus, etc.