You can start setting up your GigaPay from the GigaLife App homepage, simply tap on the GigaPay card on the homepage to link your payment sources or create a wallet.
Alternatively, you will be asked to set up your GigaPay through the payment screens of Add Load, and Buy Promos.
You will then be able to:
Link an existing PayMaya account
Create a new PayMaya account
Link and save your Credit/Debit card