The Ripple wallet you just set up is not ready to make transactions yet. To avoid spam, Ripple has made it necessary for all wallets to be funded with a fixed amount. Presently, this amount is 20 XRP. Hence, to activate your wallet, you need to send 20 XRP to your newly created Ripple account. Once your wallet has been funded with 20 XRP, it will be automatically activated.
There are multiple ways to buy XRP. For one, you can buy it from crypto exchanges such as Binance, CEX, and Bitfinex. However, most of these centralized exchanges require you to do KYC(Know Your Customer) verifications. Changelly (https://changelly.com/) allows you to buy XRP without verification, and their exchange process is seamless. Navigate to www.changelly.com and create an account there. Then, go back to the home screen.
If you have any other crypto assets such as Bitcoin...