Microsoft just announced that Windows 10 Anniversary Update is releasing on August 2. The update will be free for Windows 10 users. Microsoft also announced that Windows 10 is now running on 350 million devices.
Yusuf Mehdi Corporate VP Windows and Devices Group posted:
We are committed to delivering continuous innovation to you, including features that bring Windows Ink and Cortana to the mainstream. A faster, more accessible and more power-efficient Microsoft Edge browser. Advanced security features for consumers and enterprises. New gaming experiences and new tools for the modern classroom. Everyone running Windows 10 will get these new features for free.
Windows 10 free upgrade offer for Windows 7/8/8.1 users will end on July 29. So if you are still on older OS, you have one month left for the free upgrade.