WhatsApp Aero is exclusively for Android. iOS does not allow side-loading of modified WhatsApp clients without jailbreaking (which is highly insecure).
Open official WhatsApp, go to Settings > Chats > Chat Backup , and perform a manual backup. whatsapp aero v962 ultima version install
Even with a perfect install, you might encounter issues. Here is how to solve them: WhatsApp Aero is exclusively for Android
WhatsApp Aero is a modified (MOD) version of WhatsApp. It is not official. Using it can lead to a temporary or permanent ban from the official WhatsApp service. Proceed at your own risk. whatsapp aero v962 ultima version install