To log in, go to https://onedrive.live.com/about/en-us/signin/  :

 

Enter your Heritage University email and click Sign In.

You will be redirected to the Heritage University page to authenticate your account:

 

Enter your Heritage University email and password and click Sign In.

Once you are signed in, you will see this page:

 

Click on OneDrive.

You will be redirected to your OneDrive page: