Google play store or
DJI Assistant 2 ? apologies silly question ?

The play store is the only way to download it.

If you need to sideload then here
https://www.dji.com/ca/mobile/downloads/djiapp/dji-fly

Hi, thank you for reaching out. If you are using an android device you can download the said application directly through Play store and you can access the App store if you are using an iPhone devices. Also, you can directly visit our download center for you to access all the application and software available to download. You may refer to the link below. Hope this helps. Thank you for your valued support!

https://www.dji.com/downloads?site=brandsite&from=footer

DJI Gamora Posted at 3-16 15:49
Hi, thank you for reaching out. If you are using an android device you can download the said application directly through Play store and you can access the App store if you are using an iPhone devices. Also, you can directly visit our download center for you to access all the application and software available to download. You may refer to the link below. Hope this helps. Thank you for your valued support!

https://www.dji.com/downloads?site=brandsite&from=footer

Thanks to all the respondents