How to delegate XTZ and earn staking rewards?
There're many wallets support Tezos staking, such as imToken, Trust Wallet, Atomex, etc. Install and login one of these wallets, such as Atomex, then click “Wallet” and select “Texos”::
You will see the details of XTZ on your wallet, click the position indicated by the red box in the image below:
Select the validator Wetez on the pop-up window by pasting Wetez's delegate address and click “Delegate”：
Check the amount and delegate address and click “Yes” to confirm all the delegation info:
Click “OK” to finish the delegation:
Press the "Update" button. After that, you will see the delegation in the window of your Tezos wallet, click the position indicated by the red box in the image below:
You will get the details of your delegation on the pop-up window: