First off, you will need some way to flash the SD card so download the appropriate version of Balena Etcher for your OS. Yes. There are a lot of other ways to copy images to an SD Card but Balena Etcher is probably the easiest and safest way to do it. It also works consistently for multiple OS's.

balenaEtcher - Flash OS images to SD cards & USB drives

The Easy Way

Download the following SD card image.

cl_reachy202012271141.iso.zip

Use Balena Etcher to copy the image to your SD Card

To set up wifi, create a file called "wpa_supplicant.conf" on the top level directory of the SD card:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=<Insert 2 letter ISO 3166-1 country code here>

network={
 ssid="<Name of your wireless LAN>"
 psk="<Password for your wireless LAN>"
}

Replace the values country, ssid and psk for your network.

Enable ssh by creating an empty file called "ssh" on the top level directory of the SD card.
ssh into reachy.local
```
ssh [email protected]
```
Get the latest version of the CoLab-Reachy repo
```
cd /home/pi/CoLab-Reachy
git pull
```

The Hard Way

Flash SD card

Download and install the latest version of "Raspberry Pi OS with desktop" from here:

https://www.raspberrypi.org/software/operating-systems/

Use Balena Etcher to copy the Raspberry Pi OS image to your SD Card

How to Install Raspberry Pi OS on a MicroSD Card With BalenaEtcher

Set up remote access

To set up wifi, create a file called "wpa_supplicant.conf" on the top level directory of the SD card:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=<Insert 2 letter ISO 3166-1 country code here>

network={
 ssid="<Name of your wireless LAN>"
 psk="<Password for your wireless LAN>"
}

Replace the values country, ssid and psk for your network.

Enable ssh by creating an empty file called "ssh" on the top level directory of the SD card.
Put the SD card into Reachy's Raspberry Pi and turn on the power.
Log into the Raspberry Pi using the following command:
```
ssh [email protected]
```
The password is still the default password, "raspberry".