How to Re-install Revit Architecture 2013

[Sunil_2012]

I have Revit Architecture 2013 student version installed on my Desktop PC. License expiring on November 01,2015. It is not functioning well. How can I re-install it so I can use it atleast untill expiry date?

Any suggessions... please.

Thanks.

[Anonymous]

how do you reinstall other windows programs?