The Privacy Implications of the Advertising ID
When you set up a new Windows 11 PC, Microsoft automatically generates a unique, device-specific “Advertising ID” for your user account. This functions exactly like the tracking cookies used by web browsers, but it operates at the core operating system level. As you use your computer, open applications from the Microsoft Store, and interact with the Start Menu, Windows constantly logs your activity and associates it with this ID. Microsoft and third-party app developers then use this aggregated data profile to serve you highly targeted, personalized advertisements within free apps and casual games. If you value your digital privacy and prefer not to have your operating system silently building a demographic profile of your habits, you should disable this tracking feature immediately.
How to Turn Off the Advertising ID
You can revoke this permission universally from the main Windows Privacy dashboard.
- Click the Start Menu and type Settings, or press the Windows Key + I.
- In the left-hand sidebar of the Settings app, click on Privacy & security.
- Under the “Windows permissions” section, click on General.
- Look at the very first toggle switch at the top of the list. It is labeled: “Let apps show me personalized ads by using my advertising ID.”
- Click the toggle switch to turn it Off.
What Actually Happens?
Disabling this feature does not completely eliminate advertisements from free applications or the web. If you play a free-to-play game from the Microsoft Store, you will still see banner ads. However, turning this off severs the connection to your unique tracking profile. The advertisements you see will now be completely generic and randomized, rather than eerily specific suggestions based on your recent web searches or app usage history. Furthermore, turning the ID off resets it entirely, meaning any historical demographic data Microsoft had previously associated with that specific ID string is effectively orphaned.