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Free apps and downloads

Popular tools and downloads

.NET Gadgeteer
Prototype gadgets and devices quickly

Create collages of your pictures instantly

Never miss the perfect shot again

Visualize the history of everything in your browser

Computational Network Toolkit (CNTK)
A unified deep-learning toolkit for artificial intelligence research

A free, intelligent climate retrieval service

The Fourth Paradigm
Data-intensive scientific discovery

Graph Engine 1.0 Preview (was Trinity)
A distributed, in-memory, large graph processing engine

HD View
Panorama viewer for Web browsers running on Windows

Image Composite Editor (ICE)
Stitch together images seasmlessly


Track computer resources such as CPU utilization, power usage and more

Kinect for Windows SDK
Create apps that support gesture and voice recognition

Easily create games for the PC or Xbox

Analyze and visualize complex Earth and oceanic data sets

Microsoft Hyperlapse
Create smooth and stabilized time lapses from first-person videos

NoReplyAll Outlook Add-in
Prevent recipients from replying all or forwarding your message

Office Lens
Convert images to PDF, Word and PowerPoint files

Office Remote
Turn your phone into a smart remote for Microsoft Office

Photo Story
Automatically creates a stylized compilation of the day's events


Capture and view the world in 3-D

Project Tuva
Nobel Prize–winning physicist Richard Feynman’s Messenger Series lectures

Create, collect and share stuff you love

Connect the physical world to the digital one

A touch-friendly editor that makes coding fun

Try F#
Write simple, concise code to solve complicated problems

Connect to multiple IEEE 802.11 networks with one WiFi card

WorldWide Telescope
Learn how exploring the universe led to a key business analytics solution in Microsoft Excel