Know what is github push pull requests

Push to remote and pull to local.

Create a repository in github account
Keep note of the git repo url

Go to your computer local drive project folder, then open cmd from there and type

git init  
git remote add origin <url of git repo>  
git status  //check if modified files waiting to push - red  
git add .  
git status //check all modified files are ready to push - green  
git commit -m "<comment>" //check in but not yet pushed  
//Make sure your machine ssh key is added under github > profile settings > SSH and GPG keys  
git push -u origin master

add files to existing repo

git status  
git add .  
git status  
git commit -m "some comment"  
git push origin master

Copy from github to local folder

Create a folder on local drive
Open cmd from the folder

git clone <url of repo>

Latest file from git repo to local folder [if already copied]
make sure you cloned already the project from git repo

git pull origin master

Generate ssh key

Generating new ssh key

Add ssh key to github account