1. Download and install: Infinity-Box_Drivers_v1.4.exe
2. Read carefully manual that you will see during installation process
3. In case of any problems with "Drivers v1.4" use "old good Drivers v1.2"
Flash Files and Language Pack description: you can see how to select correct flash files and what files to use to install language that you need.
Available flash files for all World regions.
User manual: general operations (unlock/flash/reset) description.