Any tips for installing Ubuntu as dual boot on to my Asus X501 64-bit laptop (currently Windows 7), using an USB stick, would be much appreiciated.

I have tried and failed to install with the wubi.

From these instructions

I went to these ones:

How should I reply to the questions asked by Pendrivelinux during the download (see link above)?

Bit confused about whether I should download Ubuntu, then Pendrivelinux, or the other way round, or what?

Many, many thanks,