Product keys for Windows - Microsoft Support
Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.
Use Microsoft Edge in another language
The new Microsoft Edge defaults to use the same language as your system.. To change the language: Go to Settings and more > Settings .
What is System Restore? - Microsoft Support
System Restore . System Restore is a Microsoft® Windows® tool designed to protect and repair the computer software. System Restore takes a "snapshot" of the some system files and the Windows registry and saves them as Restore Points.
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Turn your presentation into a video - Microsoft Support
The second drop-down box under the Create a Video heading tells whether your presentation includes narration and timings. (You may switch this setting if you like.) If you haven't recorded timed narration, by default the value is Don't Use Recorded Timings and Narrations.. The default time spent on each slide is 5 seconds.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2024, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Résoudre les problèmes de mise à jour de Windows
Le temps nécessaire au téléchargement et à l’installation d’une mise à jour dépend de la vitesse de connexion, des paramètres réseau et de la taille de la mise à jour. Si l’installation reste bloquée au même pourcentage, essayez de vérifier à nouveau les mises à jour ou d’exécuter le Utilitaire de résolution des problèmes de Windows Update.
Check your Xbox purchase history
To view your purchases, press the Xbox button to open the guide.; Go to Profile & system > Settings > Account > Payment & billing.; Select Order history to view your purchases.
About Genuine Windows - Microsoft Support
There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.
Use the On-Screen Keyboard (OSK) to type - Microsoft Support
Open the On-Screen Keyboard. Go to Start , then select Settings > Accessibility > Keyboard, and turn on the On-Screen Keyboard toggle. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it.
Microsoft 支援服務
Microsoft 支援服務可協助您處理 Microsoft 產品。 尋找適用於 Microsoft Copilot、Microsoft 365、Windows、Surface 等的使用方法文章、影片和訓練。