Welcome to the community. To help you get started here is a list of our tutorials & guides:
Learn Mode & Button Labels within Tagtool
When both options are enabled in Menu/User Interface all buttons and sliders are labeled and
explanations appear to help you get around.
Tagtool Basic Cheat Sheet - A list of all basic funcionalities
TagtoolCheatSheet-Basic.zip (58.6 KB)
Our gallery here is also a good source of inspiration.