You can complete the setup by inserting the CD into the computer and downloading it. Save it in the computer and then install it. Otherwise you can visit the official website of Canon printer for Canon MG3620 manual setup. Look for the latest downloads and select setup. Type MG3620 in the search box and then click on ok. Now, you have to select the area from where you bought the printer. Click on connecting to computer, phone or laptop. Select the windows you are using and click on download. The file will be downloaded in your storage. Click on the file to install it in your computer.