Ensure you have the legitimate .rar archive. Be aware that these files are often password-protected; you may need to contact the original uploader (e.g., via their YouTube channel ) to receive the decryption key.
Select the desired satellite for the SDS data stream (e.g., Eutelsat 14W or 21.6E) to verify the new expiration date.
Copy the specific software file (often a .bin or .sw file) to the root directory of your USB drive.