Open Multiple yahoo messenger on single Computer

Do you want to use multiple yahoo in your computer?

Then Follow these steps

Click on Start -> Run…

Type Regedit in Run text box and hit enter to launch Registry Editor

Open HKEY_CURRENT_USER > Software > Yahoo > Pager > Test.

On the right pane, right click and click on New > DWORD value

Rename the new registry key as Plural.

Right Click on “Plural” and Select “Modify”. Change the cell value in “Value Data” to 1 (For Vista & Windows 7 users)