How to change Logo and Forum

I installed a forum but logo and name of Forum is Codologic

As tell how to change fevicon

Thanks

Logo can be changed by replacing the image:
/sites/default/assets/img/general/brand.png

Site name can be changed in the backend->Global Settings

Favicon will have to be changed manually by changing
/sites/default/themes/YOUR_THEME/templates/layout.tpl

we will have these options directly in the backend in the upcoming versions.