Yahoo!PayPay

1. Download and sign in: Install the app, open it, and sign in or create an account with your mobile number or existing credentials. Enable notifications and biometric lock for security. 2. Set up payment methods: Complete identity verification if prompted, then link a bank account or card, or add funds to your wallet balance. 3. Pay in stores: Tap Pay or Scan, show your barcode to the cashier or scan the merchant’s QR code, confirm the amount, and complete the payment. 4. Pay online: Choose the wallet at checkout on supported sites, confirm the request in the app, and finish with one tap. 5. Send money and save more: Send or request money from contacts, apply coupons at checkout, and check your points or cashback in the Rewards section.