Only because I'd typed this out before -
At the bottom of a AW profile is a line with a couple of links in it
Link to this Profile Page using
External Link/Members Only or
External Link/Members Only - Get QR Code
You can easily highlight this line by selecting and dragging or multi-clicking to get the whole line. If you prefer you can select just the links
External Link/Members OnlyExternal Link/Members OnlyIn most browsers you can then use the 'Edit' menu to find the 'Copy' option or use the keyboard shortcuts 'Ctrl+C' on a PC or 'Command+C' on a Mac.
When you're typing a review in the box then you can either use the 'Edit' menu to find the 'Paste' option or use the keyboard shortcuts 'Ctrl+V' on a PC or 'Command+V' on a Mac.
The '+' means that you press both keys at the same time.
I'm sure that there are much better guides on how to Copy and Paste available from doing a quick search on Google for those terms