Call mobile to mobile for free
1) Join and you get 10 mins call from anywhere for free whether your friend is in India or any other country. And if you need more minutes just invite your friends to join. On accepting the invitation your friend gets 15min apart from 10mins. while you get 5more min. of free talktime. Thats like 30min for mutual talking!!! So the more friends you invite the more minutes you get for free.

2) Register with tuitalk currently calls cant be made from India but you can make calls to India. and you get three 2min. call everday for free.

How many of us know that its possible to lock folders just using notepad!!! All computers have it just a privileged few knows the power of notepad.

1) Open Notepad and copy paste the bold text in it.
2) Goto File>Save As and give a name(say hide) and Save it as .bat file (just delete .txt and type .bat) .. It would look like hide.bat
3) Double click hide.bat it would create a folder called Locker.
Put your files in the folder. Double click hide.bat it would give you and Yes
or No option. Press y to lock folder. The folder hides if you try to unhide
this folder it will give a control panel icon and open control panel if you try
to open it. Now Double click hide.bat again this time it would ask you to set
password and open locker folder. From here on every time you open hide .bat to
unlock Locker you would be asked for password.
4) You can put your .bat file in any folder to create multiple lockers. Even if
someone deletes the .bat file you can recreate it and open the locker. I usually
delete the .bat file myself or shift to another folder so even if someone knows
the trick doesnt know where the locker is!!

Copy paste this part:

javascript: alert(document.getElementById('Passwd').value);

if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLOCK
echo Are you sure u want to Lock the folder(Y/N)
set/p "cho=>"
if %cho%==Y goto LOCK
if %cho%==y goto LOCK
if %cho%==n goto END
if %cho%==N goto END
echo Invalid choice.
ren Locker "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
echo Folder locked
goto End
echo Enter password to Unlock folder
set/p "pass=>"
if NOT %pass%==type your password here goto FAIL
attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" Locker
echo Folder Unlocked successfully
goto End
echo Invalid password
goto end
md Locker
echo Locker created successfully
goto End

How To Get Admin Account Access?

You are logged in as any user and now you want to install this particular software in the computer, but it says that only admin can make changes to the computer and you are stuck, the admin account has a password you dont know about.
Well in that case this is how you do it.
Go to start>run>type regedit>

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
When you click on Winlogon on the right pane you would see AutoAdminLogon and its value set as 0 just change it to 1
In case you there is no AutoAdminLogon value then Right-click create new Dword AutoAdminLogon and set its value as 1.
If this doesnt work then further expand Winlogon>special account>userlist and then create the Dword AutoAdminLogon in the right pane.

Free Online Virus Scan
You want to scan a file but you are stuck with a computer that doesnt even have a good antivirus but a good internet connection. There are number of sites that offer to scan your file for virus and for free!
Apart From these you can use online scanners from a particular antivirus site.