1) Download and install Metamask extension ->
link
2) Follow Metamask first setup (create a wallet and a password)
3) Click on the top right where you find "Main Ethereum Network", and
change it to "Ropsten Test Network"
4) Click where you read "Address 1" and an address like "0x2d...9S" to
copyt the address to the clipboard
5) Go to
faucet.ropsten.be
and paste the address, then click on "Send me test Ether"
6) Wait for some seconds until you find 1 ether in your Metamask
interface
7) Now you can operate with smart contracts on Ropsten, go back to the
app
0) When it asks you to "Connect With MetaMask" click "Next", then
"Connect"