Login to your account at https://merchants.shoptoit.ca
Click on the 'Purchase a module' button in the centre of your page.
Scroll down and click on the button beside the module(s) that you would like to purchase.
You will see that once you have selected a bundle it will show up in the Order summary on the bottom of the page.
If you purchase the Google adwords module you will also want to put in an advertising budget. You can do it here:
Once you have added your amount and hit the 'add to cart' button your total will show at the bottom of the screen.
If you have a coupon code you can enter it in the middle section. Hit apply and your order summary will update to the correct pricing.
Once you have added everything you want to the cart click the 'Continue to Payment Details' button at the bottom.
You add your credit card and billing address information on this page.
Then select the 'I agree to the terms and conditions' button. Once everything is done to your satisfaction you select the 'Purchase' button to complete your purchase and you will have access to the new module(s).