If you are new to this crypto universe and want to secure your first bitcoin, I recommend you to use an easy-to-use mobile wallet. Assuming you are live with 12h/day smartphone inside your pocket. There's lot of trusted and secure mobile wallet that easy to operate even for a beginner. This is recommendations from a website you can trust https://bitcoin.org/en/wallets/mobile/android?step=5&platform=android&user=beginner
And from my recommendation, I suggest you to use trust wallet. You choose.