Windows 10 build 9903

Windows 10 build 9903 is a build of Windows 10, which was shared online on 29 January 2015.

Volume tray
The volume icon is now thinner and flatter in appearance, similar to that found in the RTM.

File Explorer

 * The default page in which File Explorer opens to can now be changed.
 * Home page has been renamed to Quick Access and it is expanded in the navigation tree by default.
 * Favorites page is now hidden in the navigation tree.

Miscellaneous

 * New pages have been added to the Get Started app.
 * Sync Settings have been updated.

UEFI BIOS
This build can only be installed on machines utilizing UEFI firmware since it hangs on a BIOS system.

Window thumbnail border color error
If window auto-colorization is enabled, the window thumbnail borders on the taskbar do not change color even after the wallpaper changes. This issue can be remedied by manually changing the window color through the Control Panel or restarting Windows.