1. Go to 'Insert', then to 'Page Number' and then choose the option 'Bottom of Page, Plain Number 3'.
2. Then check the 'Different Odd & Even Pages' at the 'Header & Footer Tools' (under this same heading you can also tick the box 'Different First Page' so that the page numbering does not start on the front page).
3. Go to page 2 (or the page from which you want the numbering to start) and go to 'Insert', then to 'Page Number'. Then choose the 'Bottom of Page, Plain Number 1' option.