Problem description: Nokia Lumia 535 allows the user to download the application on the phone only through WIFI, not through the shop.
Diagnosis: most likely cause of this situation stuck in the wrong network settings.
Solution: To overcome this problem need to change the settings of the Store. You can do this by going to Store app, selecting Settings, then Download apps only in Wi-Fi network, select off. From now on, applications should download through the store.