Final answer:
To start using OneDrive.com, you must create an account by signing up with your email address and password.
Step-by-step explanation:
To start using OneDrive.com, you must create an account by signing up with your email address and password. Once you have created an account, you can access OneDrive.com by logging in with your credentials. This will allow you to upload, store, and share files on the cloud-based platform.
Learn more about OneDrive.com