Prepare to Make Unreal Games with Unreal Engine – Installing and Setting Up - Learning Unreal Engine iOS Game Development - page 18

Here, select iOS App Development and click on Continue . In the following screen, you
will find some information about how to make the *.certSigningRequest file,
which we already made. Then, you can click on Continue and select the file from your
desktop (or wherever you saved it).
Click on Generate , and this will provide you with a valid development certificate; down-
load it.
Redo the same process, but this time, select App Store and Ad Hoc and use the same
process to generate the production certificate and download it.
Now, as you have two certificates downloaded (files with the *.cer extension), double-
click on each of them. This will run KeyChain Access for you and ask you whether you
really want to install it. Do the process twice, as we will require one development certific-
ate while building and testing and another one for the distribution build.
After installing both, you will find that they have a green icon next to each of them, and
this tells you that both are valid.