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Microsoft announced today that in order to download, buy, update, or review apps in Marketplace, users have to be running Windows Phone 7.5. This change is required for both the phone and web Marketplace storefronts.
"Most phones are already running Windows Phone 7.5, which was released last fall, and so most of you won't notice anything different about how the Marketplace works," Microsoft's director of program management, Mazhar Mohammed, said in a blog post today. "However, if your phone has an earlier version of our software installed, you'll soon start seeing an error message when you try to download a new app, or update one you already own."
This change isn't as daunting as it sounds. The Windows Phone 7.5 update is free and fairly simple to install, although it could take more than an hour to complete. Mohammed said that the reason Microsoft is now requiring version 7.5 on Windows Phones is "part of a larger effort aimed at improving Marketplace performance and security."
Over the past year, the software giant has been pulling out several tricks to try to keep up with Android's Google Play and iPhone's App Store. Earlier this month it announced an to happen in San Francisco this June and last summer it began for their Windows Phone attention. As a result, Marketplace's available apps spiked from 30,000 in May 2011, to 50,000 in December of that year, to this April.