Installing istio is easy; to do so, follow these steps:

1. Download the istio package, as follows:

curl -L https://git.io/getLatestIstio | sh -
cd istio-<release-number>/

2. Add the istio binaries to your path, as follows:

export PATH="$PATH:~/istio-<release-number>/bin"

3. Install istio with the default values:

helm install install/kubernetes/helm/istio --name istio --namespace istio-system

4. Make sure everything is up and running, as follows:

kc get svc -n istio-system

We now have istio up and running.