Hi there kenbowersdc.You came to the right place. Making your deposits in QuickBooks Online is actually a nice and easy process. Just follow these quick steps:
- Select New and then select Deposit.
- Now, select the Account the deposit will go to. 
- All your transactions from the undeposited funds account will be listed below. Select the ones that are included in the deposit being made. 
- Go over the deposit on last time to ensure everything is correct. To complete the process, select Save and Close
Here's a video to show you the process as well, I know I'm a visual learner so I believe it will be a great aid to making your first deposit:
 
 
There is also detailed information available in the Record and make Bank Deposits in QuickBooks Online article. If there's anything else I can do for you, the reply button is just a click away.  Have a great rest of your day.