Microsoft at its Windows 10 event announced a new browser for Windows 10 dubbed Project Spartan. The new browser has got a new UI, which focus on content optimized on any device you are using.
 
The browser is integrated with stylus inking support which allows users to draw and highlight text within the browser. You can even Share, save or copy marked up pages, you can also save articles offline on your device. It comes with Standardize Reading Mode which makes reading lot easier. It can clipscreenshots from part of a website and upload them to OneNote directly.

Finally it comes with Cortana Integration. Cortana will pop up on the address bar if there is something she knows about the website you are browsing.

Joe Belfiore, Corporate Vice President of Operating Systems at Microsoft said that Spartan is the current codename for the new browser and will likely be changed before the release. The features will be rolled out over the next few months.