If you want to buy Bitcoin, then you must choose an exchange, there are many exchanges, the most trusted of which are P2P, among them I can use Binance Exchange, KuCoin Exchange, ByBit Exchange, etc. And you can buy Bitcoin directly by adding it to your local currency through mobile banking or through your domestic banking. Just wait a little while and you can make the transaction with more confidence, this is how you can buy Bitcoin from the exchange through P2P.