Do not worry. You do not need to download a 6GB "language pack" torrent. You likely already have the files on your hard drive.
For users who are not tech-savvy, a fan-made tool called exists (available on Nexus Mods or GitHub—search for it). f1 2013 change language free
If you are using a non-Steam version or the Steam method doesn't trigger the change, you can force the game to recognize a different language by editing the configuration files in the game directory. Do not worry
For players who frequently swap between languages (such as for practice or testing), some community members recommend a manual backup method to avoid repeated Steam downloads: f1 2013 change language free
language=en_GB
Right-click in your Steam Library.