Apa saja fitur fitur baru yang terdapat pada windows 8.1, dan ini adalah Semua fitur baru pada windows 8.1 "Blue" build 9369. Sebuah Windows 8.1 build telah bocor di masa lalu. Microsoft diperkirakan akan membuat pengumuman tentang Windows 8.1, atau Windows Blue beberapa waktu pada bulan Juni. Build bocor memberi kita wawasan untuk apa sebenarnya Microsoft telah memperbaiki untuk kita. Microsoft dapat melepaskan preview build pada konferensi BUILD, sedangkan rilis RTM dapat dipatok untuk akhir musim panas. Mereka yang cukup berani untuk mencoba build yang bocor seperti pada komputer mereka, harus diingat bahwa menginstal perangkat lunak tersebut dapat merusak disk yang file-file yang diinstal.

Ini terbaru Windows 8.1 build 9369 tampaknya tidak memiliki apa-apa substansial berbeda dari build sebelumnya. Microsoft diharapkan untuk menambahkan fitur baru di setiap build, untuk semua kita tahu mungkin ada fitur tersembunyi dalam build.but tertentu di sini kita semua fitur build ini membawa dan Anda dapat melihat perbedaan besar antara itu dan windows 8

Metro Applications
◾ New Alarms application.
◾ New Calculator application
◾ New Movie Moments application.
◾ New Sound Recorder application.
◾ New File Manager replaced Skydrive application.
◾ References to Windows Defender application.
◾ Updated Settings application.
◾ Automatic updates.

User Interface
◾ Bigger/Smaller tiles for start screen.
◾ Slide up from start to view all apps screen.
◾ Slide to Shutdown feature.
◾ Color slider for theme.
◾ Slideshow for lock screen.
◾ Start screen sync.
◾ New search animation.
◾ Altered search panel.
◾ Multiple snapped applications on wide screen.
◾ Now apps can be snapped too on screen resolutions below 1366 x 768.
◾ Half-Half option for metro applications.
◾ Metro applications on multiple monitors.
◾ Thinner borders for some desktop applications.
◾ No transparent window on minimizing/closing.
◾ Support for touchpad gestures without any additional driver.
◾ Start screen group naming can be done without zooming out.
◾ Switching apps now lets you decide to put on left or right snap.
◾ Button on bottom of start page to enter app list.
◾ Search bar on the app list page.
◾ New animation for opening apps.
◾ Save on SkyDrive by default option.
◾ New device depending start screen icons.
◾ Access camera from lock screen by sliding down.

Internet Explorer
◾ Synced tabs feature.
◾ Download list feature on metro version.
◾ Useragentstring added "like Gecko" which Firefox uses.
◾ History wipe on desktop like the one in metro version.
◾ References to WebGL support.
◾ References to Spdy-protocol support.
◾ Metro styled F12 Developer Tools

Kernel
◾ Less ram usage.
◾ References to Minkernel.
◾ References to BaseFS.
◾ References to 3G/4G tethering.
◾ References to barcode scanning.
◾ References to Spdy-protocol support.
◾ Support for wireless displays (In Settings app)
◾ Support for touchpad gestures (In Settings app)
◾ ReFS enabled for client. Not only server anymore.
◾ DirectPlay. New Windows Feature.

(Resilient File System) Key features of the new file system (ReFS)
◾ Metadata integrity with checksums.
◾ Integrity streams providing optional user data integrity.
◾ Allocate on write transactional model for robust disk updates (also known as copy on write).
◾ Large volume, file and directory sizes.
◾ Storage pooling and virtualization makes file system creation and management easy.
◾ Data striping for performance (bandwidth can be managed) and redundancy for fault tolerance.
◾ Disk scrubbing for protection against latent disk errors
◾ Resiliency to corruptions with "salvage" for maximum volume availability in all cases.
◾ Shared storage pools across machines for additional failure tolerance and load balancing.

Ini belum jelas apakah Microsoft berencana untuk membuat "File" bagian dari versi final dari Windows 8.1, tetapi informasi lebih lanjut mungkin akan diberikan pada bulan Juni pada konferensi pengembang BUILD.