If you want to install Picasso App on your Android phone you can’t get it from the Play Store. Since it’s a third-party app you will need to download it as an APK file. But Android phones don’t allow APK installs by default. That’s why you must enable Unknown Sources to install the Picasso App
What Does Unknown Sources Mean?
Unknown Sources means allowing apps to be installed from outside Google Play Store. This setting gives permission to install apps from browsers file managers or external APK sites. Without this Picasso App will not get installed even if you have the file
Steps to Enable Unknown Sources
Follow these simple steps to enable this option:
Open Settings
Go to your Android Settings app
Tap on “Security” or “Privacy”
Different phones may have different names
Find “Install Unknown Apps”
Tap on the browser or file manager you used to download the APK
Enable “Allow from this Source”
Toggle the switch to turn it ON
Once done you can go back and tap the Picasso APK file to install it
Important Tip
- Only enable Unknown Sources when needed
- Turn it OFF after install for extra safety
- Always download the APK from trusted websites