Update your company logo in the upper-left corner of your CRM by following the instructions below. These steps must be performed by a system administrator.
1. Go into Setup
2. Go to Themes and Branding by typing it into the Quick Find search box, then selecting it.
3. Locate your company name from the list of themes, then choose Edit in the drop-down box next to that theme.
4. Click on the Brand Image box and upload your logo.
5. Make any other branding/theme updates as desired, then click Save.
6. Lastly, cick Activate at the top to activate your changes (important).
You may need to refresh your browser to see the changes.