1.Test flight

● Install test flight app

● Sign in with the registered apple id

● Find the app and tap install

2. itunes

● Connect device to the PC

● Launch iTunes application

● Go to app section

● Drag and drop the ipa file saved in your local machine

3. itools

● Connect device to the machine

● Launch itools application

● Click on app install icon

● Choose ipa file saved in your machine