yahoo messenger is one of the most popular application chat today, not only because it is user friendly appearance, but also because the facilities are quite complete. starts from text chat, video chat, voice call, until the facility to send files to each other is owned by yahoo messenger who is commonly called YM.most people want to use YM more than 1 account, but cause the setting YM software does not allow to use YM more than 1 account on 1 computer , I have a trick to make YM can open many accounts in 1 computer.....
The first thing you should do is go into the run menu and type regedit
then enter the folder HKEY_CURRENT_USER \ Software \ yahoo \ pager \ test
once you are certain to be in the folder above and you right click, then you create the new DWORD (32-bit) values, do not forget to change the name of the DWORD value to be plural, then right-click the DWORD value is plural and select Modify..., and the last fill how many YM applications you will open later in the column data values, for example: 2
congratulations, now you can open many YM account at the same time in 1 computer ...