To view all triggers in the environment.

1. Go to the Setup menu on the top right >  Click Triggers on the left setup menu.

To view all triggers for a table.

1. Go to the Setup menu on the top right > Click Tables on the left setup menu.
2. Search for the table you want to view triggers for.
3. Click and open the table details view
4. On the top scroll to find the Triggers Tab and click the Tab to view all triggers on a Table.

How to create a new Trigger

1. Go to the Setup menu on the top right > Click Tables on the left setup menu.
2. Search for the table you want to create a trigger on.
3. On the top right from the buttons list and buttons drop down find the New Trigger button and click it.
4. This will open the create new trigger window with a pre defined trigger template.
5. Being writing your trigger.