As mpilchfamily says it should be 'plug and play' and recognized by most all modern OSs. It could a format issue, for Windows OS, it should be formatted in NTFS or FAT32. For Linux OS, format in either EXT4 or FAT32. This should work assuming it isn't a faulty drive or password protected.
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You don't need drivers. Plug it in, the system will see it as a mass storage device and assign it a drive letter. If the system doesn't see it try it on a different PC. If the problem persists you may have a faulty drive.