Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed
Find safe mode and other startup settings in Windows 10
After your PC restarts to the Choose an option screen, select Troubleshoot > Advanced options > Startup Settings > Restart.You may be asked to enter your BitLocker recovery key.
What to try if your Surface touchscreen doesn't work
Solution 4: Reset Surface. If you’re still having a problem with your touchscreen, try resetting your Surface. To learn how, see Restore or reset Surface for Windows and follow the recommended steps for "Reset this PC.". After the reset and device setup, use touch to open an application like Microsoft Edge or another web browser, and try to scroll pinch to zoom, swipe in from the right, and ...
Sign-in options in Windows - Microsoft Support
Dynamic lock is a security feature that automatically locks your device when you are not around. It uses Bluetooth to pair with a phone, and locks the device when the Bluetooth signal drops below a certain level, indicating that you are no longer near your device.
Change your country or region in Microsoft Store
On your Xbox 360. To change your country/region on Xbox 360, you can't simply update your location as with the Xbox One or Xbox Series X|S. Instead, you need to migrate your Xbox profile, which could impact other subscriptions and services.
将 Windows 电脑用作移动热点 - Microsoft 支持
通过 Wi-Fi 与其他设备共享 Internet 连接,将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。
失われたファイルまたは削除されたファイルを回復する - Microsoft サポート
コンピューター上のファイルが見つからなくなった場合、または誤ってファイルを変更または削除してしまった場合でも、バックアップから復元 (Windows バックアップを使用している場合) したり、以前のバージョンから復元を試みることができます。以前のバージョンとは、復元ポイントの一部 ...
Unhide the first column or row in a worksheet - Microsoft Support
On the Home tab, in the Editing group, click Find & Select, and then click Go To.In the Reference box, type A1, and then click OK.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
PowerPoint の Copilot を使用して新しいプレゼンテーションを作成する - Microsoft サポート
ニーズに合わせてプレゼンテーションを編集したり、Copilot にスライドを追加するよう依頼したり、新しいプレゼンテーションからやり直したりして、より詳細な情報を含めるようプロンプトを絞り込みます。 たとえば、「チーム ビルディングの例を含むハイブリッド会議のベスト ...
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for iPad
Reduce the file size of a picture in Microsoft Office
Under Picture Tools, on the Format tab, in the Adjust group, select Compress Pictures.. If you do not see the Picture Tools - Format tab, make sure that you selected a picture. You may have to double-click the picture to select it and open the Format tab.. Also, depending on your screen size, you might only see the icons for the Adjust group. The Compress Pictures button appears without a label.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Project Online Desktop Client, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Project Professional 2021, Project Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Project Professional 2019, Project Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Project Professional 2016, Project Standard 2016