im trying to download it but at the 90% mark it stops and says app not installed and I'm just confused well duh that's way I'm installing it now and I can't for the life of me figure it aut (android A5) also I did had the 6.0 version installed prior to the 7.0
Be sure to have twice the available space for the app to install (on Android, apks are extracted as a temporary file before being installed, and subsequently, deleted)
Or if that doesn't help, try downloading the APK through another browser, some can corrupt the installer, even if you do have the available space to do what I said above.