Facebook and X (Twitter):
1. You can link your Facebook or X (Twitter) account by logging into the [official HoYoverse Account website] and going to the Linked Accounts section.
2. You can also link these accounts by logging into any HoYoverse game, going to Settings > Account, and opening the User Center.
Google, Apple, and Game Center:
You can link these accounts by logging into any HoYoverse game on iOS or Android devices, going to Settings > Account, and opening the User Center.