Unable to load apk file of app

I recieve ab apk file of thunkable app. Downloaded but unable to open. Size of file is ard 40+ MB. What could be the problm?

Hey @ftsmsiaw2020leouog welcome to the community! :wave:

Are you installing it on a phone or tablet?

We have a full guide in our docs:

Do you see any error message when trying to install?