Windows Media Player 适用于基于 Windows 的设备。 使用此表查找适用于你的系统的 Player 版本。 （如果你使用的是 Mac，则可以下载适用于 QuickTime 的 Windows Media 组件来播放 Windows Media 文件。） 我正在运行 Windows 的哪个版本？

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

The new Bing is now available to everybody directly from the Windows taskbar, making more ways to interact with your PC across search, answers, chat, and creation available anytime, right on your desktop.

irr 计算的收益率是与 0（零）净现值对应的利率。 下列公式说明了 npv 与 irr 的关联方式： npv(irr(a2:a7),a2:a7) 等于 1.79e-09 [按照 irr 计算的精度，此值实际上是 0（零）。] 示例. 复制下表中的示例数据，然后将其粘贴进新的 excel 工作表的 a1 单元格中。

Whether you're at home, work, or out and about, chances are you'll find a Wi-Fi network that you can connect to for internet access. Select the Network, Sound, or Battery icons ( ) on the far right side of the taskbar to open quick settings. The Disconnected icon appears when you’re not connected.

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

Word marks spelling, grammar, and stylistic issues with an underline. Control-click the word or phrase and choose one of the options. If Word incorrectly underlined a word as misspelled and you want to add that word to your dictionary so that Word will properly recognize it in the future, see Add or edit words in a spell check dictionary. If spelling or grammatical errors aren't underlined ...

PowerPoint for the web supports changing case. See the procedure below. Word for the web doesn't support changing case. Use the desktop application to open the document and change text case there, or else you can manually change the casing of text in Word for the web.

Hotmail เปลี่ยนชื่อเป็น Outlook.com แล้ว เรียนรู้วิธีการลงชื่อเข้าใช้เพื่อเข้าถึงบัญชีอีเมล Outlook.com, Hotmail, Live หรือ MSN ของคุณ

Find the shared mailbox in the folder pane. In the folder pane on the left, locate the Shared with me folder. Click the folder to expand it. Your shared mailbox is a subfolder under Shared with me.When you select the name of the shared mailbox there, it will expand to show the standard email folders, such as Inbox, Drafts, and Sent Items.. Send mail from the shared mailbox