You can perform git commands for example in:

– cmd console (widnows start -> cmd. It should oppened Command Prompt app. To go to the root directory, enter cd \ . Next enter cd + path to directory with your project, e.g. cd Users\ Joanna\Desktop\my-project

– git bash console, which you can get from https://git-scm.com/downloads . After installing console go to directory with your project, right click and select: Git Bash Here (then console opens).

If you have your console with path to your project, you can enter first command (step one).

Read More Basic git commands