First of all, you should know about the Dapp browser and Trust wallet. after knowing all the basics now let's move on to how to enable the DApp browser on your Trust wallet.

To enable DApp on the Trust wallet application your need to download it on your android or IOS device.

• Navigate to the Google Play Store or IOS app store and search for the Trust wallet app.
• Download the Trust wallet app and connect it to your account.
• Now you are all set to begin the process. 

For more read - https://onlinegeeks.net/cant-buy-bnb-trust-wallet/