There are several ways to get help and support for your Talend installation:
Official Talend Documentation. Here you can find everything to help you install and use your Talend product.
Talend Community. This is the place where you can ask questions to the community, and get answers.
Talend Professional Support. If you are a Talend subscription customer, you can open a ticket to the Talend Support. Talend Support Services cover only Talend Software as defined in the End User Software and Subscription Agreement.
Talend Consulting Portal. If you are a Talend subscription customer, you can ask for a consultant to help through the installation of your Talend product.