Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

Download drivers and firmware for Surface. Windows 11 Windows 10 Surface. Updates keep your Surface performing its best. Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware.

If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or provide any personal information.

Check here for the known game issues that we're currently tracking and find out what you can do about them. Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

什麼是來電者身分識別，以及如何在 Skype 中設定？. 來電顯示 讓您的朋友、家人和商務連絡人知道是您打電話給他們，或傳送簡訊。. 當您設定來電者身分識別時，您的行動電話號碼或 Skype 號碼 當您從 Skype 撥打行動電話和有線電話時，就會顯示。. 來電顯示是 ...

If a device is updating from Windows 10, version 1909 or an earlier version, this feature update enablement package cannot be manually installed. Instead, it is bundled and automatically included with the feature update to Windows 10, version 22H2.

If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.

欧洲经济区域中，存在 Skype 率不同？. 从，2019 年 5 月 15 日开始新的欧盟法规某些条件下大写 Skype 用户驻留在欧洲经济区 (EEA) 中的呼叫和短信的价格。. 具有上限的价格适用于呼叫的 SMS 从放在 EEA 内和定向到另一个 EEA 国家/地区的电话号码。. 呼叫和不计入下新 ...

Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.