Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks.

注意: 如果在 202 KB5034204 4 年 1 月 23 日 Windows 11 23H2 和 22H2 更新之前在云中存储了以前的活动历史记录，则可以使用“清除活动历史记录”按钮删除云中以前存储的数据。否则，活动历史记录将在数据上次同步到云后的 30 天内自动删除。

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

Keystroke. What it does. Windows logo key + R Opens the Run command. Windows logo key + S Opens Search. Windows logo key + E Opens File Explorer. Alt + Tab. Opens Task Switcher, moving forward with each press of Tab, switching to that window on release

To capture a video snip, open Snipping Tool, select the Record button, then select New recording, or press Windows logo key + Shift + R.Select the area of the screen you wish to record, then select Start.When you are done, select Stop.At this point you can save the recording as-is or select Edit in Clipchamp to work with it in the Clipchamp video editor.

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4. 选择“图片”，然后选择“插入”。 一次插入多张图片： 选择插入图片的源后，选择多张图片，然后选择 “插入”。. 所有选定的图像将同时插入工作簿单元格中，从活动单元格开始，然后向下插入所选单元格的任意单元格，覆盖这些单元格中的任何值。

Country/Region. Country/Region code. Phone number. Language. Australia. N/A. 13 20 58. English. New Zealand. N/A +64. 0800 800 004 9 368 5680. English

Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.