It sounds like you have an update of After Effects, not the full version. In order for an update to install it searches for the previous version of the software.
Adobe after effects is a professional special effects software for creating insdustry standard visual effects.
Yes, Trapcode for Adobe After effects is free.
Here is a good guide on that http://www.howtodothings.com/computers-internet/how-to-install-adobe-photoshop-cs2
On the web go to adobe.com then on the page it will say install adobe flashplayer then it guides you fron there on
I need to close Internet Explorer so I can install Adobe
You can download it by searching, "Adobe After Effects CS4 Download." After you search it, an option should be, Adobe After Effects CS4 on Adobe.com. Once you select that option you can sign-up on Adobe, and download the free trial.
The next keyframe shortcut in Adobe After Effects is the "J" key.
adobe photoshop cs3 abbreviation
Google 'Adobe After Effects Download'. When the official Adobe Link pops up, click that. The download's on that page.
Adobe's web site. You can do an internet search for "adobe flash player download"
The next frame shortcut in Adobe After Effects is the Page Down key.
Adobe Flash Player (aka "Macromedia Flash Player";"Macromedia Shockwave";"Adobe Shockwave") is preinstalled in Google Chrome, therefore there is no need to install it