Install or Replace Windows 8 Serial Key

1. Run  Command Prompt with administrator rights or privileges. To do so, Click on Search and type Cmd then we get Command Prompt Right click it and Click Run as Administrator

2. In the command prompt window, type the following command:
slmgr.vbs -ipk <insert your Serial Key here>


3. To activate windows after changing the key, run the following command in the command prompt window:
slmgr.vbs -ato (Must be connected with internet). And Enjoy.....

Microsoft Windows 8 System Requirements

 Windows 8 is the next version of Microsoft Windows, a series of operating systems produced by Microsoft for use on personal computers, including home and business desktops, laptops, Microsoft Tablet PCs, and Home theater PCs. According to unofficial sources, the release date for Windows 8 has been launch at October 2012,

Minimum Hardware Requirements

Microsoft recommends:

• 1 GHz or faster processor
• 1 GB RAM (32-bit) or 2 GB RAM (64-bit)
• 16 GB available hard disk space (32-bit) or 20 GB (64-bit)
• DirectX 9 graphics device with WDDM 1.0 or higher driver

Run Android Applications on Your PC

1.Download Blustacks application from Here
2.Install the Bluestack application
3.Easily configure the Basic settings of Bluestack
4.Now you can serach and and install and run Android applications via Blustack platform

VLC Player Shortcuts.....

PLAYBACK:

Spacebar - Play/Pause

S - Stop

N - Next file in playlist

P - Previous file in playlist

TIME SHIFTING:

Shift+Right arrow - Very short skip forward (3-second default)

Shift+Left arrow - Very short skip backward

Alt+Right arrow - Short skip forward (10-second default)

Alt+Left arrow - Short skip backward

Ctrl+Right arrow - Medium skip forward (1-minute default)

Ctrl+Left arrow - Medium skip backward

Ctrl+Alt+Right arrow - Long skip forward (5-minute default)

Ctrl+Alt+Left arrow - Long skip backward

- (minus sign) - Slow playback by half (up to .125x)

+ (Plus sign) - Double playback speed (up to 8x)

DISPLAY SETTINGS:

A - Toggle aspect ratio (16:10; 16:9, 1:1, 221:100, 4:3, 5:4, default)

C - Toggle crop (same ratios)

T - Show time played/time left

I - Bring VLC interface to front

Ctrl+H - Increase subtitle delay by 50ms (for infinity)

Ctrl+J - Decrease subtitle delay by 50ms

K - Switch subtitle track

AUDIO ADJUSTMENTS:

M - Mute on/off

Ctrl+Up arrow - Turn volume up (1/32)

Ctrl+Down arrow - Turn volume down

Ctrl+K - Increase audio delay by 50ms (for infinity)

Ctrl+L - Decrease audio delay by 50ms

L - Switch audio track

More...

Ctrl+Alt+S - Takes screenshot of current frame

Ctrl+Q - Quits program completely

Windows 8 Key Board Shortcuts

Windows key Shows the new Start screen (Metro).
Win + type keyword Instant application search (same as in Windows 7).
Win + D Standard Windows desktop. Also minimizes/restores all open windows in desktop mode.
Win + Q Shows all installed apps.
Win + W Instant search for settings.
Win + F Instant search for files.
Win + I Settings sidebar (control panel, network, volume, brightness, notifications, and more).
Win + P Shows multi-monitor options, also useful for connecting an external monitor or projector.
Win + X Power user shortcut menu (Device Manager, Control Panel, Command Prompt, Power Options, etc.).
Win + Z Shows App Bar in Metro applications.
Win + . (period) Snaps the current Metro app to the right side of the screen. Do it twice and it will snap to the left.
Win + . (period) + Shift Snaps the current Metro app to the left side of the screen.
Win + J Switches focus between snapped Metro apps.
Win + Page Up / Down Moves full-screen Metro app to secondary monitor.
Win + Left / Right arrow Moves and snaps desktop applications in that direction, or to a different monitor.
Win + Tab Switches between open applications. Similar to using the left-upper hot corner with a mouse.
Win + L Locks Windows.

Share Folders in Ubuntu & Access them from Windows 7

First Share the Folder in Ubuntu
1.In Ubuntu Select the folder you want to share
2. Right Click On it . From the contextual menu, Click on Sharing Options
3.Then a Folder sharing window opens, Check the box next to 'Share this folder'
4. If a warning window will-pop up stating that the sharing service is not installed. Click on the Install Service Button
  (If you do not receive this warning , it means that the sharing service is already installed and you can able to share files and folders)
5.Then type your user account password and click OK. The Installation Process will begin
6.After installing Click on Close and Ubuntu will ask to restart your session click on Restart session
7.After that repeat steps from 1 to 3
8. Click on Create Share
9. In windows Open My computer. Click on Network from left side
10. And you can find your shared Ubuntu computer from workgroup and access it and enjoy.....

Key Board Shortcuts for Ubuntu Linux Terminal

Ctrl-a     Move to the start of the line.
Ctrl-e     Move to the end of the line.
Alt-] x     Moves the cursor forward to the next occurrence of x.
Alt-Ctrl-] x     Moves the cursor backwards to the previous occurrence of x.
Ctrl-u     Delete from the cursor to the beginning of the line.
Ctrl-k     Delete from the cursor to the end of the line.
Ctrl-w     Delete from the cursor to the start of the word.
Ctrl-y     Pastes text from the clipboard.
Ctrl-l     Clear the screen leaving the current line at the top of the screen.
Ctrl-x Ctrl-u     Undo the last changes. 
Alt-r     Undo all changes to the line.
Alt-Ctrl-e     Expand command line.
Ctrl-r     Incremental reverse search of history.
Alt-p     Non-incremental reverse search of history.
!!     Execute last command in history
!abc     Execute last command in history beginning with abc
!n     Execute nth command in history
^abc^xyz     Replace first occurrence of abc with xyz in last command and execute it