Download, backup, or restore Office products

http://office.microsoft.com/en-in/products/download-back-up-restore-microsoft-office-products-FX103427465.aspx

Microsoft chat support

http://support.microsoft.com/contactus

security warning: do you want to view only the web page content that was delivered securely?

1. Go to Tools -> Internet Options -> Security 
2. Select the "Security" tab -> Click the "Custom Level" button 
3. In the "Miscellaneous" section change “Display mixed content” to Enable.

Create bootable flash drive for windows 7,vista using diskpart.

Put the USB Pendrive in the USB port on your computer.
Click "Start." 
Type "CMD 
cmd[rightclk]
run as administrator[clk]
YES[CLICK]

Type "DISKPART" in the command window that appears
Hit "ENTER" to execute the command
Type "LIST DISK" and hit "ENTER
." You will see a list of disks and their identifying numbers
 choose your USB pendrive drive number[for eg:1 ]
Type "Select Disk 1" 
hit "ENTER
Type "Clean
hit "ENTER
Type "Create Partition Primary"
hit "ENTER 
Type "Select Partition 1" 
hit "ENTER 

Uninstall internet explorer 11,10 and 9 using command line

 Command line options available to uninstall Internet Explorer

• Internet Explorer 9
• Internet Explorer 10
• Internet Explorer 11  

Example for uninstalling Internet explorer 9

• Log on to the computer by using an administrator account or an account that has administrative rights.
• Close all Internet Explorer browser windows.
• Click Start, type cmd in the Search box, and then click cmd under Programs.

• Copy the following command:

 FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*9.*.mum /c "cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /quiet /norestart

• Paste the command into the Command Prompt window, and then press Enter.

• Restart the computer.

BOOT MENU INFORMATION

Manufacturer	Type	Models	Boot Menu	Boot Once	BIOS/UEFI Key	Change Priority
Acer			Esc, F12, F9		Del, F2
Acer	netbook	Aspire One zg5, zg8	F12		F2
Acer	netbook	Aspire Timeline	F12		F2
Acer	netbook	Aspire v3, v5, v7	F12	The "F12 Boot Menu" must be enabled in BIOS. It is disabled by default.	F2

Lan Chat free Software without any chat server.

LANcet Chat is free software for real-time message exchange over a local network (LAN). With it, you don’t need to install a chat server. All participants can connect at any time and see each other automatically. Just run the chat on every computer and have fun.

The main features of LANcet Chat:

• No need for pre-configuration;
• No need for an allocated server, it works in conference style, therefore all participants have equal rights;
• Chat can start automatically with Windows and stay in the system tray (near the clock) waiting for messages throughout the whole day without disturbing you;
• Private messages can be sent;
• Standard emoticons allowed;
• Popup windows and sounds will inform you of a new incoming message or when a new user appears in your contact list;
• Antiboss system allows you to hide Chat from your desktop by pressing the <Esc> key. As quick as you hid it, you can restore the Chat window using your own secret key combination;
• Simple contact list control allows you to ignore all messages from some boring or non-interesting interlocutors.

Just download, install, and chat!