how to update my github repository code example

Example 1: updating git

git update-git-for-windows

Example 2: git update local repo from master

git pull origin master

Example 3: how to update local repo when i make changes to github remote repo

git pull origin master_or_other_branch_name

Example 4: update github

Assuming you're using GitHub Desktop

Help > About GitHub Desktop > Check for updates
If an update is available you need to restart GitHub Desktop to install