There are lot of ways to buy bitcoin, like buy btc with other people although it takes a lot of risk you can also buy bitcoin in some convenience store that sells bitcoin of course you need your own wallet, there are some famous application to use as a wallet like coins.ph since i'm from the philippines a lot of people recommend it and another way is through exchange like bittrex and poloenix just be careful in your transaction sir.
It is all about doing research within your locality or country, to find out how you can get to buy bitcoin easily. It appears in most countries these days, except for those where there is a serious threat from the government on users of cryptocurrency, you will find some exchanges operational within the country where one can buy directly from fiat or over the counter method as well. P2P is still the easiest at least with localbitcoins, but one will just have to be careful who you are making transactions with.
coins.ph offers services only to few south east countries and unfortunately many people here like me are still awaiting similar services to our countries also. Hopefully when more exchanges start country specific ventures then we may get much easier ways to buy bitcoins due to their heavy competitions among them.