Using cracks or keygens for v1.11 is unsafe (malware risk) and illegal. The game is inexpensive, especially during sales.
Product keys for this version use a (e.g., XXXXX-XXXXX-XXXXX-XXXXX-XXXXX). You can typically find it in the following places: product key for euro truck simulator 2 version 111 install
Only if you have proof of purchase (receipt, photo of the DVD, or credit card statement). Contact support@scssoft.com. Using cracks or keygens for v1