git.cmd

# first check what is the origin name for your repository
git remote -v
# remove old origin (you wan't be able to push anymore)
git remote rm origin
# verify than no origin was removed successfuly
git remote -v
# add new origin, add there the url for your new repository
git remote add origin [email protected]:yaplex/my-new-repository.git
# push all code with complete history to new repository
git push origin master