Windows 10 Mobile Upgrade Advisor App Download Free [updated] 🔥 Trending

As of early 2026, the official Windows 10 Mobile Upgrade Advisor app is no longer functional through standard channels because the Windows Phone 8.1 Store officially closed in late 2019. While the original app was a free tool designed to bridge the gap between Windows Phone 8.1 and Windows 10 Mobile, Microsoft has since discontinued all official support for these platforms. Status of the Upgrade Advisor App

Although Microsoft has officially ended support for Windows 10 Mobile, the app itself can still be found and installed for free. Here is everything you need to know.

What is Windows 10 Mobile Upgrade Advisor App? windows 10 mobile upgrade advisor app download free

I navigated to the Windows Store on my phone and searched for "Windows 10 Mobile Upgrade Advisor." The app appeared in the search results, and I tapped on it to initiate the download. The app was surprisingly small, weighing in at just a few megabytes.

Install using Device Portal or a file manager: As of early 2026, the official Windows 10

In its prime (2016–2018), downloading the Upgrade Advisor was a standard trip to the Microsoft Store (formerly the Windows Phone Store).

Core technical checks performed by the app included reading device identifiers (model/variant), current OS and firmware versions, available free flash/storage, battery level, and whether the device was enrolled in any enterprise or preview programs that might prevent an official upgrade. The app also collected (with user consent) enough data to map the device to Microsoft’s internal compatibility lists and determine whether Microsoft, the device OEM, or the carrier had certified the device for Windows 10 Mobile. Here is everything you need to know

Legacy Functionality: Even if the app is already installed, it generally fails to connect to Microsoft's servers to authorize the update.

How to Use the Windows 10 Mobile Upgrade Advisor App