https://downloads.raspberrypi.org/raspbian_lite_latest and extract to your local computer eg: /downloads/2017-11-29-raspbian-stretch-lite.img
download latest version of Sd-card formatter https://www.sdcard.org/downloads/formatter_4/ and then insert your micro sd card to your computer and format it.
run this command on your mac
diskutil list
you should see something like this
/dev/disk2 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *7.9 GB disk2
1: Windows_FAT_32 boot 66.1 MB disk2s1
2: Linux 7.9 GB disk2s2
in this case your sd card path is: /dev/disk2
Unmount the SD card
diskutil unmountDisk /dev/disk2
Copy the Image into micro sd card.
sudo dd bs=1m if=~/Downloads/2017-11-29-raspbian-stretch-lite.img of=/dev/disk2
ls -ls /Volumes/
Enable ssh
touch /Volumes/boot/ssh
Configure wifi info
touch /Volumes/boot/wpa_supplicant.conf
country=US
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
network={
ssid="NETWORK-NAME"
psk="NETWORK-PASSWORD"
}
Eject Sd card
diskutil eject /dev/disk2
Insert sd card into your raspberry pi and plug the power source (usb -> micro usb) and boot your Pi
after that your pi should connected to your home wifi but you need find the pi IP address via router
and login over ssh
ssh pi@IP
default password is: raspberry
Update software on PI
sudo apt-get update -y
sudo apt-get upgrade -y
Config Your pi
sudo raspi-config