Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.

更改或删除第一页的页眉或页脚. 双击页眉或页脚区域（靠近页面的顶部或底部）以打开“ 页眉和页脚 ”选项卡。. 选中 “其他首页” 以查看是否已选中。. 否则：. 选择“ 首页不同 ”。. 删除第一页上页眉或页脚的内容。. 在页眉或页脚中键入新内容。. 若要 ...

현재 사용 중인 것과 동일한 Internet Explorer 11 앱과 사이트는 Internet Explorer 모드로 Microsoft Edge에서 열 수 있습니다. 방문하는 사이트에 Internet Explorer 11이 필요하면 Microsoft Edge에서 Internet Explorer 모드로 다시 로드할 수 있습니다. Internet Explorer를 열려면 시작 단추를 ...

In order to download a LIP for Internet Explorer, you need to have a matching Windows LIP. For more information, see Download languages for Windows . Internet Explorer 11 is currently available in the following LIP languages. To download the offline installer for Internet Explorer 11, choose your language and system below.

IF 函数 - 嵌套公式和避免错误. Microsoft 365 专属 Excel Microsoft 365 Mac 版专属 Excel Excel 网页版 更多... IF 函数允许通过测试某个条件并返回 True 或 False 的结果，从而对某个值和预期值进行逻辑比较。. =IF（内容为 True，则执行某些操作，否则就执行其他操作）. 因此 IF ...

但是，如果由于某种原因，计算机在重启后仍自行启动进入安全模式，请尝试以下操作：. 按 Windows 徽标键 + R 。. 在 “打开 ”框中键入 msconfig ，然后选择“ 确定 ”。. 选择 “ 启动 ”选项卡。. 在 “启动选项” 下 ， 清除“ 安全启动 ”复选框。. 订阅 RSS 源 ...

同时打开两个演示文稿：从其中一个复制幻灯片母版，将幻灯片母版粘贴到另一个中。. 在包含要复制的幻灯片母版的演示文稿中，在“ 视图 ”选项卡上，选择“ 幻灯片母版 ”。. 在幻灯片缩略图窗格中，右键单击幻灯片母版，然后选择“ 复制 ”。. 在缩略图 ...

Uninstall an app in Microsoft Edge. Open Microsoft Edge and go to edge://apps. Select Details on the card of the application you wish to uninstall. Scroll down and choose Uninstall. Confirm if you also want to clear data from the associated origin and select Remove.

Tutto pronto per l'installazione? Prima di iniziare, assicurati che il PC o il Mac soddisfi i requisiti di sistema.. Se hai già riscattato un codice Product Key, stai semplicemente reinstallando le app o sai di avere una licenza assegnata tramite l'azienda o l'istituto di istruzione, puoi andare avanti e passare alla sezione accedi per scaricare e installare Microsoft 365 o Office.

Use voice typing to talk instead of type on your PC. Windows 11 Windows 10. Windows 11 Windows 10. With voice typing, you can enter text on your PC by speaking. Voice typing uses online speech recognition, which is powered by Azure Speech services.