Using the USB/charging cable that came with your iPhone, plug your device into your Mac:
Open the Photos app on your Mac.
An import screen should immediately appear. If it doesn’t, click the device listed under My devices.
You may see a prompt on your iPhone. Unlock it, enter your passcode → tap Trust.
Choose where you want to import your items to. Select Import All New Photos or select a few photos and click Import Selected.
Wait for it to finish, then disconnect your iPhone from your Mac.