Step1: Create an empty project in your Git Repo
Step2 : Execute below commands from Git bash
cd c:\ABC (This is your current project folder)
git init .
git config --global user.name <yourGitHubAccount>
git config --global user.email <yourGitHubEmailAccount>
git add .
git status
# edit .gitignore to ignore folder you don't want
git commit -m "first commit"
git remote add origin https://github.com/<yourGitHubAccount>/<yourRepo.git>
git push -u origin master