need help with this plz

[nelly27]

hi all i am after adding a video script to my forum but it says i need to change these files:
You need to change the permissions of certain folders and files to allow VidiScript write access. CHMOD the following folders and files to 777:

Folder 'data'
Folder 'data/keys'
File 'data/scroller/scroller.xml'
Folder 'uploads'
Folder 'uploads/thumbs'
Folder 'uploads/avatars'
Folder 'uploads/ads'
Folder 'uploads/groupicons'
File 'includes/settings'
File 'includes/badwords'

what do's that mean and how do i change them plz any help would be good

nelly27 Reviewed by nelly27 on 16th Sep 2008. need help with this plz hi all i am after adding a video script to my forum but it says i need to change these files: You need to change the permissions of certain folders and files to allow VidiScript write access. CHMOD the following folders and files to 777: Folder 'data' Folder 'data/keys' File 'data/scroller/scroller.xml' Folder 'uploads' Folder 'uploads/thumbs' Folder 'uploads/avatars' Folder 'uploads/ads' Rating: 5