Yeah, there’s no way you need to have your memory limit jacked up any higher than 64MB. It really sounds like something is off with what you’re doing.
Send me the following information and I will try and install the theme for you because I just can’t see this being possible if everything is setup correctly.
– Your WordPress admin URL, username, and password.
– Your FTP address, username, and password
You can send this information to me privately by sending it through My Account > Submit private info here on the support website.