Country/Region. Country/Region code. Phone number. Language. Australia. N/A. 13 20 58. English. New Zealand. N/A +64. 0800 800 004 9 368 5680. English

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Look in the Surface app. The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

On your console, get Xbox Game Pass Ultimate in Store > Subscriptions.Online, go to Xbox Game Pass. Your purchase of Game Pass Ultimate will automatically convert any outstanding time on your subscriptions to Xbox Game Pass or EA Play into time for Xbox Game Pass Ultimate at the current conversion ratio, up to a maximum of 36 months.

Turn on Find my device. When you set up a new device, you can decide whether to turn on or turn off the Find my device setting. If you turned it off during setup and now want to turn it on, make sure your Windows device is connected to the internet, has enough battery power so it can send its location, and that you're signed in to the device using your Microsoft account.

When you sign in to sync to Microsoft Edge , you can easily browse the web from any of your devices, keep your favorites organized, and always pick up right where you left off.. Sign in to sync your account on your computer Setting up sync on your computer. In Microsoft Edge, select the profile image in the browser taskbar.

解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。