Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following. Warning: If the Start_date is greater than the End_date, the result will be #NUM!.

个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。

Select Start > Settings > Apps > Default apps. To change the default app, you can do either of the following: Set a default for a file type or link type. In the search bar, enter the file type or link type you want, then select it from the list of results. You can choose which app can open that file or link type. Set defaults for applications.

Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.

Edit a contact list. On the side panel, select People. Select All contact lists, then select Edit by either right-clicking the contact list or selecting it from the Ribbon. You'll have the option to rename the contact list, add additional contacts to the list, or add a Description to the list. When you are finished, select Save.

Restart (reboot) your PC. Windows 10. Go to Start , select the Power button, and then select Restart . Select the Start button, then Power > Restart.

Select Classic Outlook and follow those steps instead. In your Google Calendar account, select My Calendars and choose the vertical ellipsis ( ⋮) to the right of the calendar name. Switch to your Outlook calendar. Below the calendar grid on the left, select Add calendar, then select Subscribe from web. Paste the copied URL into the address ...

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通过显示、隐藏图标，或调整图标的大小来自定义 Windows 桌面的外观。 提示: 你也可以使用鼠标滚轮来调整桌面图标的大小。在桌面上，长按“Ctrl”，同时滚动滚轮来放大或缩小图标。有关如何显示或隐藏单个 Windows 图标的信息，请参阅 查找回收站。