I'm going to move this to the Photoshop forum for you.
In the meantime, this article shows you how to return to earlier cloud versions of Photoshop.
In current version of Photoshop, the tool display is tied to the workspace. To see all the tools:
Window > Workspace > Essentials
Window > Workspace > Reset Essentials
Which tools are you trying to use and which version of Photoshop are you using.
A screen snapshot of the tool that you are using and a link to the tutorial would help us to help you