获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

This isn't the date you'll set, it's just a sample of how the format will look. Note that in versions prior to Excel 2016, this format might have a different sample date like 3/14/01 1:30 PM. 3. Subtract the two. In another cell, subtract the start date/time from the end date/time. The result will probably look like a number and decimal.

This icon helps you determine if you can safely send and receive information from the site. The connection tells you whether the information sent to and from the site, such as passwords, addresses, or credit card numbers, are securely sent and can't be intercepted by an attacker. The connection icon in the address bar has four different states.

Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.

In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).

If you can’t boot into Windows, you may be able to perform a system restore in the Windows Recovery Environment. Here’s how: Boot your Surface using a USB recovery drive. Insert a bootable USB drive into the USB port on your Surface, then press and hold the volume-down button while you press and release the power button. When the Surface ...

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

To do this. Press. Move to the Tell me or Search field on the ribbon and type a search term for assistance or Help content.. Alt+Q, then enter the search term. Open the File menu.. Alt+F. Open the Home tab and format text and numbers and use the Find tool.. Alt+H. Open the Insert tab and insert PivotTables, charts, add-ins, Sparklines, pictures, shapes, headers, or text boxes.