5564.rar -

: It could be a compressed driver package for older hardware (like the U-Blox modem or older Lenovo internal modems).

Since it is a .rar file, you will need a third-party utility. Tools like 7-Zip or WinRAR are the standard choices for opening these formats. 5564.rar

If this is a driver file for hardware (like an LTE modem), look for a setup.exe or .inf file inside. : : It could be a compressed driver package