Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...

Open Get Help. If the Get Help app is unable to resolve your printer issue, try the possible solutions listed: Step 1. Unplug and restart your printer. Step 2. Check cables or wireless connection. Step 3. Uninstall and reinstall your printer.

使用公司或學校帳戶登入Outlook 網頁版. 移至 [outlook.office.com] 。. 如果您沒有自動使用公司或學校帳戶登入，請依照提示輸入公司或學校帳戶的電子郵件地址和密碼。. 依照您先前可能已針對此帳戶設定的任何雙因素驗證提示進行。. 選取 [登入]。. (如果您已登入 ...

AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

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 ...

从设备中删除Windows Hello和任何关联的生物识别数据. 转到 “开始 > 设置” > 帐户 > 登录选项 。. 选择要删除Windows Hello方法。. 选择“ 删除”。. 你的生物识别数据将保留在你的设备上，直到你将其删除。. 但是，在长时间Windows Hello处于非活动状态后，系统会提示 ...

Hotmailär nu Outlook.com. Om du vill logga in på Hotmail behöver du användarnamn och lösenord för ditt Microsoft-konto. När du loggar in väljer du Ja på uppmaningen "Håll dig inloggad?" om du vill gå direkt till din postlåda nästa gång (rekommenderas inte för delade datorer). Du kan också markera rutan "Visa inte detta igen" och ...

To remove any extension, choose one of the following methods: In Microsoft Edge, select and hold (or, right-click) the icon of the extension you want to remove (to the right of your browser address bar). Select Remove from Microsoft Edge > Remove. To the right of your browser address bar, select Extensions and select More actions next to the ...

To reset your PC, go to Start > Settings > System > Recovery . Next to Reset this PC , select Reset PC. Then, select Keep my files, choose cloud or local, change your settings, and set Restore preinstalled apps? to No . Open Recovery settings. Note: If you don't see the option to Restore preinstalled apps, it means your PC doesn't have ...

Insert the Office 2010 installation disc. Click Start, > Computer, and right-click in the disc drive where the Office 2010 installation disc was inserted, and select Open. Open the x64 folder in the installation root, and then double-click setup.exe. After setup completes, continue by following the default installation instructions, by entering ...