Visit YaBB! YaBB 2 Quick Installation Guide - Installation 3
Place the files from the downloaded zip into the directories as shown below and be sure to "chmod" them as shown below. Be sure to upload ALL .pl/.cgi files in ASCII mode. Chmod is not supported on Windows servers, so there is no need to do that step after uploading (or extracting) the files. On a Windows/NT server, however, you will need to give the data folders (those specified to be chmod 777) full read/write permissions.

------- NON cgi-bin section ---------
yabbfiles/fader.js				(upload in ASCII)
yabbfiles/post.js				(upload in ASCII)
yabbfiles/ubbc.js				(upload in ASCII)
yabbfiles/yabbc.js				(upload in ASCII)
yabbfiles/attachments				drwxrwxrwx (chmod 777 or 755)
yabbfiles/avatars/*.*			(upload in Binary)
yabbfiles/Buttons/English/*.*		(upload in Binary)
yabbfiles/ConverterHTML/style.css		(upload in ASCII)
yabbfiles/ConverterHTML/images/*.*		(upload in Binary)
yabbfiles/Smilies/*.*			(upload in Binary)
yabbfiles/Templates/Admin/default.css	(upload in ASCII)
yabbfiles/Templates/Admin/default/*.*	(upload in Binary)
yabbfiles/Templates/Forum/default.css	(upload in ASCII)
yabbfiles/Templates/Forum/default/*.*	(upload in Binary)
	
------- CGI-BIN section (all files in ASCII) ---------
cgi-bin/yabb2				drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/AdminIndex.pl			-rwxr-xr-x (chmod 755)
cgi-bin/yabb2/Converter.pl			-rwxr-xr-x (chmod 755)
cgi-bin/yabb2/Paths.pl			-rwxrwxrwx (chmod 777)
cgi-bin/yabb2/Settings.pl			-rwxrwxrwx (chmod 777)
cgi-bin/yabb2/Setup.pl			-rwxr-xr-x (chmod 755)
cgi-bin/yabb2/YaBB.pl			-rwxr-xr-x (chmod 755)

cgi-bin/yabb2/Admin			drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Admin/Admin.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/AdminEdit.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/AdminSubList.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/Attachments.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/EditHelpCentre.pl	-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/ErrorLog.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/GuardianAdmin.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/MailMembers.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/ManageBoards.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/ManageCats.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/ManageTemplates.pl	-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/MemberGroups.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/ModSettings.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/RegistrationLog.pl	-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/Smilies.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Admin/ViewMembers.pl		-rw-r--r-- (leave as is)

cgi-bin/yabb2/Boards			drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Boards/.htaccess		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Boards/forum.control		-rw-rw-rw- (chmod 666)
cgi-bin/yabb2/Boards/forum.master		-rw-rw-rw- (chmod 666)
cgi-bin/yabb2/Boards/forum.totals		-rw-rw-rw- (chmod 666)

cgi-bin/yabb2/Help/English/Admin		drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Help/English/Admin/*.help	-rwxrwxrwx (chmod 777)

cgi-bin/yabb2/Help/English/Gmod		drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Help/English/Gmod/*.help	-rwxrwxrwx (chmod 777)

cgi-bin/yabb2/Help/English/Moderator		drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Help/English/Moderator/*.help	-rwxrwxrwx (chmod 777)

cgi-bin/yabb2/Help/English/User		drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Help/English/User/*.help	-rwxrwxrwx (chmod 777)

cgi-bin/yabb2/Languages/English		drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Languages/English/*.*		-rw-r--r-- (leave as is)

cgi-bin/yabb2/Members			drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Members/.htaccess		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Members/admin.vars		-rw-rw-rw- (chmod 666)
cgi-bin/yabb2/Members/memberlist.txt		-rw-rw-rw- (chmod 666)

cgi-bin/yabb2/Messages			drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Messages/.htaccess		-rw-r--r-- (leave as is)

cgi-bin/yabb2/Modules/Digest/Perl		drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Modules/Digest/Perl/MD5.pm	-rwxrwxrwx (chmod 777)

cgi-bin/yabb2/Modules/Upload		drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Modules/Upload/CGI.pm		-rwxrwxrwx (chmod 777)

cgi-bin/yabb2/Modules/Upload/Cgi		drwxrwxrwx (chmod 777 or 755)
cgi-bin/yabb2/Modules/Upload/Cgi/Util.pm	-rwxrwxrwx (chmod 777)

cgi-bin/yabb2/Sources			drwxrwxrwx (chmod 766 or 777)
cgi-bin/yabb2/Sources/BoardIndex.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/DateTime.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Decoder.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Display.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/DoSmilies.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Favorites.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Guardian.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/HelpCentre.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/ICQPager.pl		-rwxr-xr-x (chmod 755)
cgi-bin/yabb2/Sources/InstantMessage.pl	-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Load.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/LockTopic.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/LogInOut.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Maintenance.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Memberlist.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/MessageIndex.pl	-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/ModifyMessage.pl	-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/MoveTopic.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/News.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Notify.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Poll.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Post.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Printpage.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Profile.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Recent.pl		-rwxr-xr-x (chmod 755)
cgi-bin/yabb2/Sources/Register.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/RemoveTopic.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Search.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Security.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/SendTopic.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Sessions.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/SetStatus.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/SplitSplice.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/SubList.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/Subs.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/System.pl		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Sources/YaBBC.pl		-rw-r--r-- (leave as is)

cgi-bin/yabb2/Templates			drwxrwxrwx (chmod 766 or 777)
cgi-bin/yabb2/Templates/*.*			-rw-rw-rw- (chmod 666)

cgi-bin/yabb2/Variables			drwxrwxrwx (chmod 766 or 777)
cgi-bin/yabb2/Variables/.htaccess		-rw-r--r-- (leave as is)
cgi-bin/yabb2/Variables/*.*			-rw-rw-rw- (chmod 666)