Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.

To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts.

Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list. Change your screen saver settings

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Learn how to open MSConfig in Windows 10 using the taskbar search bar and access system configuration.

Turn your Windows PC into a mobile hotspot by sharing your internet connection with other devices over Wi-Fi. You can share a Wi-Fi, Ethernet, or cellular data connection.

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

Choose the mobile app. Open a browser on your computer and go to portal.office.com.Sign in to your Office 365 for business account.

Note The Queries & Connections pane is available in Microsoft Office 365 for Excel and Excel stand-alone version 2019 or later. It replaced the Workbook Connections dialog box which is available in desktop versions of Excel.. The Queries & Connections pane (Select Data > Queries & Connections) In one location, you can get to all the information and commands you need to work with your external ...

注意: 如果你有多个一次性购买的 Office，并且安装 Office 后在激活时遇到问题，请参阅更改 Office 产品密钥。 如果你遵循软件许可条款中的转移条款，你可以将 Office 移动到另一台计算机，但是必须通过电话将其激活，然后从原来的计算机上卸载 Office。