For digital versions, you may be able to change the language through the game client:

Many regional versions of NFS Hot Pursuit are "locked" to a specific language. This is particularly common with the Russian and Polish editions, where the English files might be missing from the installation folder entirely. In these cases, simply changing a setting is not enough; you must add the English localization files and then tell the game to use them. How to Change NFS Hot Pursuit 2010 to English

If the Registry fix does not work, you likely lack the actual English text and audio files. You will need to find an "English Language Pack" or "English Localization Files" from a trusted community source like PCGamingWiki or reputable modding forums.

: Always create a backup of your original game files before replacing them.