it is you posible to up the file attachements higher than 1024kb and or to do it?
Yes, as long as your server allows it (usually the max upload size is 2MB, so it shold work).
Admin -> Edit Features and Options
Expand the Attachments section and change "max size per attachment" to whatever you want (make sure that "max attachment size per post" is at least as high as the "max size per attachment" as well).
Also, I've used the following trick if your server supports rewriting php's rules:
Create a file called .htaccess and place it in your server root, and put the following line in that file:
php_value upload_max_filesize 10M
This will allow you to upload 10 MB files. (But only if your server supports it)