В течение ограниченного времени после перехода на Windows 11 вы можете вернуться к предыдущей версии Windows, выбрав Пуск > Параметры > Система > Восстановление .Рядом с пунктом Вернуться нажмите Вернуться.

什么是安全密钥？ 安全密钥是一种硬件设备（通常以小 USB 密钥的形式）来登录 Web，而不是用户名和密码。 由于安全密钥需要配合指纹或 PIN 使用，因此即使有人获得你的安全密钥，也无法在没有你创建的 PIN 或指纹的情况下登录。

在 [選擇預設簽名] 底下，設定下列選項。. 在 [ 電子郵件帳戶] 下拉式方塊中，選擇要與簽名建立關聯的電子郵件帳戶。 您可以為每個電子郵件帳戶設定不同的簽名。 您可以將簽名自動新增至所有新郵件。 移至 [ 新增郵件] 下拉式方塊，然後選取其中一個簽名。 如果您不想自動將簽名新增至新郵件 ...

If you open an Office file from your recent files list via the Taskbar or the Office app, you will need to open the file as described above to enable AutoSave.. To check, hover your mouse over the recent list: Files that begin C:\Users\ in their path will not open with AutoSave, but files with https:// will.. Close and re-open the file from within the Microsoft 365 app, not the recent file list.

Diese Problembehandlung unterstützt Kunden, deren Computer noch nicht auf die neueste Version, Windows 10 Version 1607, aktualisiert wurden. Dieses Update wird zunächst nur für eine kleine Gruppe von Zielkunden veröffentlicht und dann im Laufe der Zeit ausgeweitet. Windows-Benutzer können den Assistenten über diesen Artikel starten.

Use the XLOOKUP function to find things in a table or range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term and return a result from the same row in another column, regardless of which side the return column is on.

An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

Try these things to troubleshoot network connection issues in Windows 11. Make sure Wi-Fi is on. Select Start > Settings > Network & internet, then turn on Wi-Fi.Next, select More options (>) next to Wi-Fi, then select Show available networks.If a network you expect to see appears in the list, select it, then select Connect. Open Wi-Fi settings

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.