Before opening the template install the fonts.
When InDesign open you will be prompted to link the images. The placeholder image lives in the Links folder. Just replace with this image.
Links > Placeholderimage.jpg
The logos have been placed on one layer so it's easy to delete.
Select that layer and drag into the rubbish bin.
In the top right corner of InDesign, you should see the word Essentials with a down arrow next to it. Click on that. It's where all of your workspace options are.
Change this to Typography. This will open all of the palettes that you need.
Change the information on the Master Pages with your own details.
For more information on Master Pages, please see MASTER PAGES.