Step 1 :

Install MetaMask (if not yet installed, otherwise you can skip this step)

Step 2 :

Import Ethereum wallet with which you contributed to the Etcetera ICO (if not yet imported, otherwise you can skip this step)

Step 3 :

Select the correct wallet in MetaMask and make sure you are connected to the main Ethereum network

Step 4 :

Refresh the page, click the button below and confirm MetaMask transaction