Get VIRL 
Deploy VIRL 
OVA to Server
vSphere Client
vSphere Web Client
OVA to PC
Fusion Pro
Workstation
Player Pro
ISO to Bare-Metal
Multi-Node Cluster
VIRL on Packet
In-Place Upgrade
VIRL-1.3 to VIRL-1.5
Still using VIRL 1.3.x?
Tutorials 
Index
Introductory Exercises
Introduction to VM Maestro
Creating a New Topology
Creating a Basic IOSv Network
Building / Visualizing Configurations
Working with Simualation
Advanced Exercises
Working with Configurations
Configuring Routing Protocols
Controlling Node / Interface States
Configuring Management Access
Configuring Layer-2 Switching
Using High Resource Nodes
APIs / Automation
VIRL API Overview
APIs with Postman
APIs with cURL
VIRL API Details
Launching a Simulation with cURL
Stopping a Node using Python
Tutorial for VIRL 1.3.x
Resources 
Prerequisites
Standalone (typical)
Cluster
Default Settings
VIRL Networks
YouTube Channel
User Community
v1.5.145
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Learn to code.

Network programmability are not covered in these labs, but many examples may be found on DevNet.  Check them out!

Learning VIRL PE