If you do not recieve your confirmation email within a few hours, please email haloutau@gmail.com with your username for manual validation. Your account should be activated within 24 hours.
You may also reach out via any other listed contact on Admin Halo's about page: https://utaforum.net/members/halo.194/#about
Use Unarchiver to unzip the voicebank and ensure that the filenames don't get messed up. https://theunarchiver.com/
After you have the folder, rename it and add ".utau" to the end. You should be able to double click on it to open the voicebank in UTAU-Synth.