[HKEY_CURRENT_USER\Software\yahoo\pager\Test]
“Plural”=dword:00000001
Then go to File> Save as ...
You open a new window. In the File name box delete .txt extension at the end of the file name and type extension .reg
Finally click the Save button. After you have saved double click the new file and you have Multi-Mmessenger.
Finally click the Save button. After you have saved double click the new file and you have Multi-Mmessenger.
That was it:
Another way