This tutorial will show you how to enable or disable the Alt + Spacebar keyboard shortcut to quickly "Press to talk" or "Press and hold to talk" with Copilot for your account in Windows 11.
Microsoft Copilot is your everyday AI companion that helps you to be smarter, more productive, more creative, and more connected to the people and things around you. Whether you want to learn how to code, plan an Influencer level vacation, or just need a little help writing a hard email, your everyday AI companion is there to help you get the job done like a pro. If you missed that meeting and need a quick recap or can’t figure out the tax code for your new side hustle, Copilot is there to sprinkle some AI pixie dust on the problem. There when you need it, Copilot works smoothly, seamlessly, and securely across your Microsoft apps to elevate everything you do. Speed up tasks, get more personalized answers and useful information, or find new creative inspiration. And you can do it all by asking for what you want the way you naturally write and speak. It doesn’t care if the task is big or small, it’s just there to help you get the job done. Copilot empowers you to achieve anything you can imagine.
Microsoft is beginning to roll out the Copilot app version 1.25023.101.0 across all Insider Channels via the Microsoft Store. This is a gradual roll out so not all Insiders will get the update right away. This new Copilot app version is now a native XAML app with a new UI.
Copilot Voice allows you to talk with Copilot with a microphone using natural language.
Starting with Copilot version 1.25024.100.0, Microsoft is starting to roll out Press to talk across all Insider Channels via the Microsoft Store. This is gradually rolling out so not all Insiders will get the update right away. Press to talk allows you to interact with Copilot using your voice by using a hotkey, providing instant responses while staying in your current workflow and continuing tasks without interruption. To start a voice conversation with Copilot, hold the Alt + Spacebar for 2 seconds on your PC. To end your conversation, press the Esc key. If there is no speaking for several seconds Copilot will automatically end the conversation. When the conversation is over the microphone on the screen will disappear.
Reference:

Copilot on Windows: Press to talk begins rolling out to Windows Insiders
Hello Windows Insiders, we are beginning to roll out an update for the Microsoft Copilot app on Windows via the Microsoft Store which introduces the following changes and improvements: Press to talk: Allows you to interact with Copi

Note: The Copilot app for Windows uses the RegisterHotKey function for the Alt + Space keyboard shortcut. Many apps use this keyboard shortcut today. For any apps installed on your PC that might utilize this keyboard shortcut, Windows will register whichever app is launched first on your PC and running in the background as the app that is invoked when using Alt + Space.
Here's How:
1 Open the Copilot app.
2 While in full view, click/tap on the Account button, and click/tap on Settings. (see screenshot below)
3 Do step 4 (on) or step 5 (off) below for what you want.
4 Turn On Alt+Spacebar for "Press to talk" with Copilot
A) Under Voice Mode, turn on Press and hold Alt+Spacebar on your PC to quickly talk to Copilot. (see screenshot below)
B) Select Press and hold to talk or Press to talk (default) in the How to talk to Copilot drop menu for what you want.
C) Click/tap on the Back arrow button to exit Copilot settings.
5 Turn Off Alt+Spacebar for "Press to talk" with Copilot
This is the default setting.
A) Under Voice Mode, turn off Press and hold Alt+Spacebar on your PC to quickly talk to Copilot. (see screenshot below)
B) Click/tap on the Back arrow button to exit Copilot settings.
That's it,
Shawn Brink
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