Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

Download and install Skype for Business on your PC. Sign in to and out of Skype for Business. Set up an audio device for Skype for Business. Set up and troubleshoot Skype for Business video

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

Warning: Turning off Memory Integrity on a Secured-core PC takes the device out of a Secured-core state.If you choose to continue using your device without addressing the driver problem, you might discover that the functionality the driver supports does not work any longer, which could have consequences ranging from negligible to severe.

Remarque : Le meilleur moyen et le plus sûr d’obtenir les mises à jour des pilotes dans Windows consiste toujours à Windows Update.Si vous rencontrez des problèmes avec Windows Update, vous pouvez voir si l’un des liens de Update Windows peut vous aider en premier.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

We’re continually releasing updates to our application, based on customer feedback. Check out What's New in the latest updates for Skype on desktop and mobile.

New to Xbox gaming on PC? Here's how to get started.