Download Track @ https://www.racedepartment.com/downloads/hockenheimring-1988.5143/

The <INSTALLATION_FOLDER> usually is located in:
C:\Program(x86)\Steam\steamapps\assettocorsa\

You can find your Track-Directory in:
<INSTALLATION_FOLDER>\content\tracks\ <---

The track directory of the new track should reside here.

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