While the specific build number "616655" appears to be a misremembered or specific minor sub-version of Apple's drivers, your query refers to Boot Camp Support Software 6.1

Загрузка и установка ПО поддержки Windows на компьютере Mac

Here’s a draft review for (assuming “616655” is a typo for 6.1.6665 , a known real version), written as if from a user who downloaded and installed the new version:

This appears to reference a specific download key, software version, or internal identifier that I cannot verify. It may be associated with unauthorized software, pirated content, cracked utilities, or internal enterprise tools not meant for public distribution.