2. If you already have an account, directly enter the account number and password to log in. If you don't have an account, click the Register button to register an account.
3. After successful registration, log in to the account of Niu Niu University.
4. In the login page, find the activation page or personal center page.
5. Enter the activation page and enter the activation code.
6. Click the Confirm Activation button and wait for the system to verify the activation code.
7. If the activation code is valid, the system will prompt that the activation is successful.
8. After successful activation, you can start to use the online education service provided by Niu Niu University.