where can i capture photoshop?
Answers: powerfully
http://www.adobe.com thats who make it.. or you can buy it from your local computer shop or via ebay etc.
Do you really want to buy Photoshop or will another application - (free) will do?
http://www.gimp.org/
wdw
GIMP have almost one and the same features and it is free. First try it and consequently settle on if you still want to spend money.