bbPress.org

At the moment I only have the sample file(i reuploaded all files, hoping it would make a difference). If i manually changed the config file I got a message:could not establish a database connection. I did try creating another database for bbpress but it didn´t help. I have a .htaccess file in the root folder where the wp files and forum folder are. If I should also have it in the forum folder, then there I couldn´t find it.