To subscribe to Write & Improve +Test Zone, you must first create a profile in Write & Improve and make sure you are signed in.
After you sign in, click on +Test Zone in the menu on the left, and then click on the exam you want to practise for. Then click on the blue 'Subscribe' button at the top of the screen.
You will then see this page:
Read all the information, and when you are ready, click on 'Subscribe to + Test Zone'.
You can choose to pay by PayPal or by card. We accept these cards: Visa, Mastercard, debit card, Maestro, Amex and Discover. Fill in the information and click the box to confirm that you accept the terms and conditions. Then click on 'Pay'.
If you have purchased a voucher for 100% discount, you do not need to fill in the information. Instead, you can click on 'Do you have a voucher code'.
Enter the voucher code in the box provided and click 'Confirm'. You will receive an email from Write & Improve which tells you when your subscription will end.
P.S. Your monthly subscription begins on the day you subscribe and continues until the same date on the following month, or until your voucher expires.
You are now ready to start practising for your exam!