Can I log in to V5 using Google or Microsoft accounts? How do I do it?

Yes, you can. Below the center form on the login page there are two options: 1. Click "Sign in with Google account", and the system will redirect you to the Google OAuth verification process. 2. Or click "Sign in with Microsoft account" at the bottom, and the system will redirect you to the Microsoft OAuth verification process. After completing the third-party verification, you will be automatically logged in without needing to enter your account and password separately.