The top left of the system's screen displays the Tuqqi logo. As an administrator, you can display your organization's logo in its place.
Start designing the size of your logo, the appropriate logo size for the system is 45 * 140, you can use various tools to adjust the image, in this link you will find a simple tool that will help you. You can also use the help of various design software.
Go to the Administrator screen.
Select the Org Preferences option.
Click on the gray part and select an image from your computer, or drag and drop an image into the box.