Moving this discussion to the Adobe Presenter forum.
Adobe Presenter 8 is available in both the versions.
Please check if you have PowerPoint 32bit or a 64bit installed on your machine.
If you are on PowerPoint 2010, go to "File" > "Help" and look for "About Microsoft PowerPoint" and you will find out if its a 32bit / 64bit version.
Based on the same, download the Presenter installer and install it.
You will need Presenter 32bit for PowerPoint 32bit.
You will need Presenter 64bit for PowerPoint 64bit.