started Conda install section

Author: nielsdrost

_episodes/02-installation.md

@@ -16,6 +16,45 @@ keypoints:
 
 ## Install Conda
 
+ESMValTool is distributed using Conda(link). Most users use Linux or OSX, but succesful usage has also been reported through the Windows Subsystem for Linux(WSL) (link).
+
+We will be using the Miniconda minimal installer for conda.
+
+> ## Python 3 Only
+>
+> Please make sure to download a Python 3 based installation (Miniconda3), as ESMValTool only supports Python 3
+>
+>
+{: .callout}
+
+
+### Linux
+
+1. Please download miniconda at [the miniconda page](https://docs.conda.io/en/latest/miniconda.html)
+
+2. Next, run the installer:
+~~~
+bash Miniconda3-latest-Linux-x86_64.sh
+~~~
+{:.language-bash}
+
+3. Follow the instructions in the installer. The defaults should normally suffice.
+
+4. You will need to restart your terminal for the changes to have effect.
+
+5. Verify you have a working conda installation by listing all installed packages
+~~~
+conda list
+~~~
+
+### MacOSX
+
+### Windows
+
+After installing the WSL, installation can be done using the Linux installation instructions.
+
+
+
 ## Install Julia
 
 ## Install ESMValTool