can anyone tell me how i can installl powerpoint on my comp
It is part of the office suite, install microsoft ofice and you will have powerpoint.
Agreed. OO is an awesome application, I love it and have used it for several years. 
Nissan Versa expresses my view of PowerPoint.
Look! This line goes up! This one does too!
And here’s some cheesey background music…
and it’s a requirement in the corporate world. Nothing can deliver as little important information in a long useless meeting like PowerPoint.
Open Office has the application Impress which is a clone of power point.