First you will need to either create an account with the Bancor Network (you can use the MetaMask Chrome extension as well)
Go to the Bancor Network and click Sign In on the top right
Connect with either Facebook Messenger, WeChat or Telegram
You will be directed to a Bot who will ask a few simple questions and then give you a link to create a new wallet
Click the profile drop down menu on the top right and select My Wallet
Click Create a Wallet
Add a password
Next you will need to buy or send some Eth or tokens to you wallet
Click My Wallet from the drop down menu on the top right
Click + next to My Tokens, add Pillar and any tokens you want to send to your wallet
To add funds to your wallet click Receive for your wallet address and send some ETH or tokens, or click Buy and purchase ETH with your credit or debit card through Simplex
Now your wallet has funds you can get some Pillar
Click Tokens in the top navigation
Select ETH/token and the amount in the From Token field then select Pillar in the To Token field
Click Convert and select either your Bancor or Metamask wallet.
Confirm the details and click Buy