1-PayPal
1.1. Go to Payouts page.
1.2. Change your PayPal adress and click the "Save" button.
2-Stripe
2.1. Go to Payouts page and click "Connect with Stripe" button. If you can't see this button click here to go to your Stripe account directly.
2.2. Enter your Stripe account with a verification code.
2.3. Edit your information. (If you used the direct link, you can go to your account settings in the top-right corner and edit your payout details there.)