https://git-scm.com/book/en/v2/Getting-Started-Installing-Git
windows
Just go to https://git-scm.com/download/win and the download will start automatically.
Linux
sudo apt install git-all
You can sign up at https://github.com/
I have created https://github.com/paragpallavsingh/git_test
I am going to clone the repository in the below path on my local system. You can change folder as per your choice
Windows path: F:\Workspace\github Git bash path: /f/Workspace/GitHub
We'll open the installed git bash and go to the above path. Make sure you use the path as described above.
cd /f/Workspace/github
git clone https://github.com/paragpallavsingh/git_test.git
cd git_test/
ls
vi fileA.txt
git status
git add .
git commit -m "update fileA and push to remote"
git push origin master