Updated on October 17 with additional responses to the new security features absent in the Pixel 9’s Android 15 release, and the mistake in the run-up to that release.

Open the Settings app on a compatible Google Pixel device. Look through the menu and select “System”. Tap on “Software updates”. Your device will search for an update and if one is found, it'll give you the chance to download and install it.

Google's final version of Android 15 is out, arriving first on all Pixel 6, 7, 8 and 9 smartphones, as well as for the Pixel Tablet and the Pixel Fold. Android 15 will also be coming to other Android smartphones in the near future,