Add participants to an existing group chat. You may only add external access participants to existing or ongoing chats that already include at least one external access participant.

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

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

When your computer is connected to a projector and you start the slide show , Presenter View appears on your computer's screen, while only the slides appear on the projector screen.In Presenter view, you can see your notes as you present, while the audience sees only your slides.

Select the Action tab at the top of the window.Select Disable device or Enable device, and then confirm.If there's more than one HID-compliant touchscreen device listed, perform steps 2–3 for that one too.

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.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC).

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

Get answers to common questions about Notepad. To open Notepad, select the Start button, enter Notepad, then select Notepad from the results. Here are answers to a few common questions about Notepad: