How to upload a new logo in PrestaShop

Step 1: Login into the PrestaShop dashboard.
Step 2: In the top menu, hover over Preferences and then click Themes
Step 3: Under Appearance, click the browse button next to Header Logo. Browse your computer for your new PrestaShop logo and after selecting it click the green Save button (to the right of the Theme Appearance heading).
Step 4: After saving the change the screen will refresh and you should now see your selected logo on the page. If you only selected a Header image, then the Mail and Invoice logos will also display the same image. Viewing your PrestaShop site will now display your own unique logo on the storefront!