Tip Set up new passkeys first, then check your account for passkeys that no longer apply and delete them.

Learn how to troubleshoot problems when playing Xbox games from the cloud on an iOS device.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

玩家代號系統詳細數據 如果這是您第一次變更玩家代號，您可以免費變更一次。 不論您第一次註冊 Xbox 時，我們是否自動為您建立 Xbox， (表示您並未自行) 選擇它，或是在註冊時建立自己的玩家代號。

Learn how to identify and open encrypted and protected emails no matter what email client you're using.

骨骼骨骼疾病和重复性劳损 重要 如果出现持续或周期性的不适、疼痛、悸动、酸痛、刺痛、麻木、烧灼感或僵硬，不要忽视这些警告信号。 即使这些症状不是在玩视频游戏时出现的，也要立即咨询有资质的健康专家。 此类症状可能与神经、肌肉、肌腱、血管和身体其他部位的疼痛有关，但有时也 ...

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Find out more info about what doxing is and how to protect yourself from those who might try to use your private info against you on the Xbox service.

Note If you don't see the security key option, it's possible that your organization doesn't allow you to use this option for verification. In this case, you'll need to choose another method or contact your organization's help desk for more assistance. Before you can register a security key, you must have at least one additional security verification method registered.

Find out why you are being asked to give parental consent before you can play Epic Game titles.