BuddyPress.org

Also, please note that after installation you have to transfer theme files from

wp-content/plugins/buddypress/bp-themes

to

wp-content/themes/

The folders you need to move are:

bp-default

and

bp-sn-parent

If you do not do this, you’ll be getting 404 errors! Read the install directions!

https://codex.buddypress.org/getting-started/setting-up-a-new-installation/

If you are making a custom theme, make sure to move the extra template files to your new theme folder!