Windows Phone 8.1 Update Developer Preview

Microsoft has done many updates in Windows phone 8.1 version. Right now it is available only for windows phone developers.

To know more about the updates, check following links.

Windows Phone 8.1 Developer Preview with Cortana
Windows Phone 8.1 developer preview released; here's how to get it first

Delete Previous OS files

I installed Windows 8 OS and Windows 7 OS files were moved as E drive and occupied nearly 70 GB in HDD. I tried to delete the files and unable to remove completely. I was able to rename the folder, but unable to delete many files.

Got the help from this post - How to Delete Undeletable Files in Windows 7 By Sandip Dedhia

Used commands to delete folder:

takeown /f Old_C_dir /r /d y
icacls Old_C_dir /grant administrators:F /t

Microsoft Products

Microsost has many products in variety of domains and divisions. Just listed down the various business units.

Microsoft Business Solutions
Microsoft Office Division
Online Services Division
Server and Tools Business
Windows & Windows Live Division
Windows Phone Division
Skype

For more information, visit Fast Facts about Microsoft!!!

Windows 8 Launch to external world

Finally, Windows 8 is launched across world to consumers. Windows 8 comes with a new smooth and intuitive start screen and tiles that are brimming with content, and update in real time. Same look and feel across Tablets, Hybrids, Ultrabooks, Desktops.

Links

Windows Home Page

Official Windows Blogs

Windows YouTuBe Channel

Windows 8 on Wikipedia