You can upload your logo image in the Theme Options. If the logo is not uploaded, then your site name will be used.

Please, follow the steps below to upload your logo:

Step 1 : Log into your WordPress Dashboard and navigate to Theme Options > General Settings > Upload Logo .

Step 2 : To Upload your favicon, navigate to Theme Options > General Options > Custom favicon . Your favicon should be a 32px x 32px Png/Gif image.