The phrase "to read the files" means to look at or examine the information and contents contained in a collection of documents or records. Full definition
Instructions on how to download and read the files on your PC are here. (saybooksonline.com)
Sure there are some Android tablets, which are equipped with full USB ports and even ones that can read files from external hard drives and store it. (mobilegeeks.com)
In the next section we discuss another way of reading our files which is more like reading on an e-reader, but without the need to convert our files. (gutenberg.net.au)