After Effects CS5 and Premiere Pro CS5 require a 64-bit PC... For a 32-bit system you need After Effects CS4 and Premiere Pro CS4. See the "Related Links" below.
no
Separate product, it is not required to have CS5.
cs5 is better
Adobe CS5 stands for Creative Suite 5, and incorporates a range of Adobe Products. Dreamweaver is a specific program within that suite. Calling it Adobe Dreamweaver CS5 means that it is made by Adobe as a component (even if bought separately) of Creative Suite 5.
Adobe Photoshop CS5
NO! Adobe CS5 is not at all free. It comes in the following variants - 1) CS5 Design Premium 2) CS5 Web Premium 3) CS5 Production Premium 4) CS5 Master Collection Decide which product suites your needs and go ahead. Detailed information is available at the related link.
Adobe is a program, eg. adobe; Premier, Photoshop, CS5
Yes, as an alternative to Adobe photoshop CS5, you can try using Gimp shop 2, paint.net, Krita, or PhotoFiltre. These are closely alike to photoshop Adobe CS5 and are also free.
Adobe Photoshop CS5
Photoshop CS5
yes
Adobe Photoshop CS5