This is a great general overview of how to use Photoshop and all of the different tools that it has. I show you where your previous work would be stored or how to start a new one. They also go through the tools in the toolbar and what they do. In addition, they describe the importance of layers and understanding what they are and how to edit locked layers. Overall, this is a great video to watch when first learning how to properly use Photoshop.
https://www.bing.com/videos/search?q=adobe+photoshop+tutorials&&view=detail&mid=0755A46988CC81CCEB000755A46988CC81CCEB00&&FORM=VRDGAR&ru=%2Fvideos%2Fsearch%3Fq%3Dadobe%2Bphotoshop%2Btutorials%26FORM%3DHDRSC3
Bai. “Photoshop CC 2019 – Full Tutorial for Beginners [ General Overview].” Bing, Microsoft, 18 Oct. 2018, www.bing.com/videos/search?q=adobe+photoshop+tutorials.