pj方法：

It requires office 2007 or later !

Block any outgoing connections !

For 64bit Office version

1 - Install think-cell
2 - Don't run PowerPoint when setup is finished
3 - Go to "C:\Program Files (x86)\think-cell\x64\" and replace "tcaddin.dll" with cracked file
4 - Run PowerPoint, when asked for a serial, use : LF5DA-DFTHH-ERWA5-KMWCX-ASUYD  
5 - Don't worry about trial date, it will never expire



For 32bit Office version

1 - Install think-cell
2 - Don't run PowerPoint when setup is finished
3 - Go to "C:\Program Files (x86)\think-cell\" and replace "tcaddin.dll" with cracked file
4 - Run PowerPoint, when asked for a serial, use : LF5DA-DFTHH-ERWA5-KMWCX-ASUYD  
5 - Don't worry about trial date, it will never expire