The Windows Shell covers the main parts of Windows that users interact with on a daily basis e.g. Start Menu, Action Center, Taskbar and File Explorer, improvements include:-

oResizing Start horizontally is now smoother

oYou can now resize Start diagonally

oStart and Action Center now uses Acrylic style background

oScrollbars will now shrink away when cursor isn't near them

oAdded new context menu icons in Start

oToast notifications now float in the bottom right corner, the design has been tweaked, and they now feature an arrow instead of an X to dismiss them

oThere is now a My People Hub icon on the taskbar where you can pin up to three contacts, these contacts can send you "pops" that appear as animated emoji on your desktop. It also gives you quick access to all your contacts and associated communication apps

oTaskbar Battery icon has new flyout with a slider for Power Throttling

oYou can now share files via the Share option in the context menu

Windows 10 internet browser Microsoft Edge continues to evolve with each new version of Windows 10

This build includes better functionality for viewing PDF (including PDF forms), and EPUB files, a new feature to read aloud web content, an improved favorites system and many improvements for stability

oYou can now ink on PDFs directly within Microsoft Edge

oYou can now see a PDFs table of contents

oMicrosoft Edge now supports PDF forms

oGeneral PDF reading improvements

oYou can now pin websites to the taskbar just like with Internet Explorer 11

oGeneral EPUB improvements, including ability to annotate EPUB documents

oReading progress is now synced across all you Windows 10 devices

oYou can now save favorites into a different location directly from the favorites UI

oYou can now edit the URL of an already saved favorite

oEdge now features a read aloud mode that reads text for you on a webpage, PDF or EPUB document

oUnder the hood improvements

oCopy and paste is now more reliable

The improvements to the Windows 10 Settings apps continues and even more items have been moved from the legacy Control Panel:-

oAbout area has been redesigned with relevant information about system health

oStorage Sense can now automatically delete files in your downloaded folder after 30 days

oStorage Sense can now delete the previous version of Windows once an upgrade has taken place

oRemote Desktop is now in the Settings app

oA new sidebar is present with contextual help tips and video

oUpdates now have individual progress indicators when downloading and installing

oNew update activity monitor that shows statistics on downloads of updates for the month

oCortana now has its own area in Settings

oYou can now track update download usage

oThere is a new option for linking an Android or iPhone device to your Windows 10 PC