This is just a simple yahoo messenger tricks with which you can login or use multiple yahoo messenger at same time in your computer. This might be worth to the user who have multiple yahoo messenger and use it for different purpose. With this simple tricks you don’t have to log out of your computer to sign in into your another ID. This hacks will be applicable to all version of yahoo messenger and in any windows operating system including windows 7.
1 Click on start then go to run or press (window+R)
2. Type regedit and pressEnter
3. Then the window registry editor will open.
4. Expand HKEY_CURRENT_USER >> Software>>Yahoo>>Pager Test.
5. Right click at the folder Test >> New >> DWORD Value
6. Rename it plural and right click on modify and change the value data into one
7. Now you can successfully log in into multiple yahoo messenger at same time.