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How to Activate an Xbox Dev Mode Code

The Xbox Dev Mode code comes from the console’s activation app. Submit it through Microsoft’s developer-account flow, then return to the app and choose Switch and restart.
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Open the Dev Mode Activation app on your Xbox One to get the code, then submit it through Microsoft’s developer-account activation flow. After activation completes, return to the app and choose Switch and restart; entering the code alone does not switch the console into Developer Mode. Microsoft’s detailed code-entry steps are legacy instructions, so the exact current portal screens may differ.

Activate the code and switch the console to Developer Mode

  1. On a retail Xbox One, search the Xbox Store for the Dev Mode Activation app, install it, and open it. The app displays the activation code. Microsoft’s published step-by-step instructions are in its legacy activation guide.

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  2. Sign in through the developer-account activation flow and submit the code shown on the console. The legacy guide says to choose Agree and activate after entering it.

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  3. Wait for the activation process to finish; the guide describes a progress screen on the console.

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  4. Reopen the Dev Mode Activation app and select Switch and restart. This separate console-side action restarts the Xbox in Developer Mode.

Microsoft’s Xbox application FAQ, last updated January 14, 2026, confirms the app-based mode switch. The detailed code-submission instructions above come from legacy documentation, not a currently verified portal walkthrough. If the activation link redirects or its screens differ, follow the current official Microsoft Partner Center prompts; don’t assume a particular code-entry page will appear.

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Check which mode the Xbox is in

Press the controller’s Home button. If it opens Dev Home, the console is in Developer Mode. If it opens the ordinary retail Home experience, the console is in Retail Mode, according to Microsoft’s FAQ.

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Console state What you see after pressing Home Next step
Developer Mode Dev Home Use the development environment for app testing. To return to retail use, choose Leave developer mode in Dev Home; the console restarts in Retail Mode.
Retail Mode The usual retail Home experience Open the Dev Mode Activation app to switch into Developer Mode.

Microsoft says Visual Studio cannot connect to an Xbox One while it is in Retail Mode. A signed-in user is required to deploy an app, but Microsoft’s FAQ does not establish that as a code-entry prerequisite.

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If the code flow does not match the instructions

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Console eligibility and activation limits

Microsoft’s cited activation terms describe activating a retail Xbox One as a development console and limit an individual or company to three Xbox One consoles active at a time. The terms were last updated December 23, 2021: Xbox One Developer Mode Activation Program terms. Those Xbox One-specific terms do not confirm the current activation path or eligibility for Xbox Series X|S, so don’t assume the same process applies to those models.

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