Apple’s enterprise development certificate can be published directly on its website without going through the app store. Others can download and install it directly. But the prerequisite is to use Apple's own browser (Safari) to download, other browsers cannot recognize this protocol.

1. Make a certificate

Open the Keychain Access tool, change the Keychain configuration as shown below:

And select Keycahin Access->Certificate Assistant from the menu ->Request a Certificate From a Certificate Authority.

Fill in the necessary information, generate a certificate and save it on the desktop or other places. It will be used later:

2. Generate and install the certificate

Use the enterprise version of Apple ID to log in to the Apple Developer Center: After logging in, select the corresponding option and upload the previously generated certificate file

After generating the certificate file, download it and double-click to open it That's installation.

3. Add APP ID

4. Generate Profiles file

In the Development Center, click Distribution in Provisioning Profiles, click "+" to add Profiles. Select the APP ID you just added.

After adding it, you can download it and drag it into Xcode. Or drag it into Organizer.

5. Publish the application

Select signature in XCode's Targets:

Select packaging in XCode's menu Product->Archive. When packaging, you need to connect the iPad or iPhone to the computer and select the target iPad or iPhone to be successful.