Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

若要移除連結，請選取兩個連結的工作，然後選擇 [ 任務 > 取消連結任務] 。 根據預設，Project 會建立簡單的 完成-開始 任務連結，這表示第一個任務 ( 前置任務) 必須先完成，第二個任務 ( 後續任務) 才能開始。. 如果您是 Project Online 訂閱者，您也可以從 [前置任務] 或 [後續任務] 欄中，選取要連結 ...

This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

To find the link for the driver you need, select the dropdown list below and then scroll through it to find the type of Surface you have. After you've selected it, you'll see the available links for that type of Surface device model. Select the link for your model to get the latest firmware and drivers for sound, display, ethernet, and Wi-Fi.

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date. Requests are for games in which you haven’t accumulated a significant amount of play time. Note As a limited exception, digital game products may be eligible for a refund within 30 days if you’re unsatisfied with ...

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows、Surface 等操作方法的文章、视频和培训。

When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.

Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet. Make sure Wi‑Fi is turned on. Select the No internet icon on the right side of the taskbar, and make sure Wi-Fi is turned on. If it isn't, select it to turn it on. Also, make sure Airplane mode is turned off.

在 Microsoft Edge 中管理 Cookie：查看、允许、阻止、删除和使用. Cookie 是你访问的网站存储在设备上的小块数据。. 它们有多种用途，例如记住登录凭据、站点首选项和跟踪用户行为。. 但是，出于隐私原因或解决浏览问题，你可能想要删除 Cookie。. 本文提供有关 ...

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...