To get tipbitcoin.cash donations displayed on your stream you need to do the following:
1Set up your streaming system to receive Streamlabs alerts. Simply download Streamlabs OBS. It's very easy to set up! If you prefer other programs, here is a guide for OBS Studio and Xsplit can be found here: Adding widgets to OBS/Xsplit
2Set up your tip page (it is made on first login). Link your Bitcoin Cash wallet to the tipbitcoin.cash system here by using a Bitcoin Cash address.
This is the Bitcoin.com Wallet. It is one of the many Bitcoin Cash wallets available. Simply download this app and click the Bitcoin Cash wallet within the app, then click "Receive" and copy/paste the address in your tipbitcoin.cash settings.