If you're looking to Download Canon Multi on your Chromebook laptop Then read the following guideline.

Canon Multi-Camera Control is an app that lets you display live view images of up to four Cinema EOS or professional camcorders, simultaneously record and change settings of multiple cameras. This app allows you to do the following by connecting cameras and your smartphone via a wireless connection. - Display live view images of up to four cameras - Check the status and change the settings of each camera - Edit custom picture files - Set Base ISO (EOS C400/EOS C80) - Display assist functions (waveform monitor*, vectorscope*, histogram*, false color, markers) 　*The display contents can be switched by tapping the displayed area. - Simultaneously start and stop recording with multiple cameras - Register up to five camera groups [Supported Products] EOS C500 Mark II (Firmware Ver. 1.0.9.1 or later) EOS C300 Mark III (Firmware Ver. 1.0.7.1 or later) EOS C70 (Firmware Ver. 1.0.8.1 or later) XF605 (Firmware Ver. 1.0.3.1 or later) EOS C400 EOS C80 * EOS R5 C is not supported. [System requirement] iOS 16.7/17.5 [Important Notes] - If application does not operate properly, try again after shutting down the application. - Visit the following page for more details. https://cam.start.canon/B001/