There are four primary ways to get Bitcoins:
Purchase on Cryptocurrency Exchange
Crypto exchanges are the marketplaces where cryptocurrencies can be traded in exchange for fiat currencies. They accept bank transfers, credit card payments, and some might accept PayPal too. Additionally, they charge a transaction fee for every exchange.
Investment Brokerage firms
A platform that allows the investors to either buy or sell stocks and cryptocurrencies. All one needs is an account to get started along with the money to buy.
There are a variety of payment services like CashApp, PayPal, and Venmo that introduced new features to online platforms allowing users to buy, sell, and even hold cryptocurrencies.
Locate a cryptocurrency ATM or Store
Bitcoins ATMs work similarly to cash withdrawing ATMs. It can be found anywhere nearby to the place.
Retail stores help sell and buy Bitcoins.
P2P allows you to buy Bitcoins from your friends directly.