You can book the exam, register yourself and see where the testing centers are at the following link:
A registration manual can be found here:
Scheduling Information for an e-exam through Pearson VUE:
To schedule your exam you will need to create a Pearson VUE web account first. Please note that account activation may require up to 24 hours. You will be notified by e-mail when your Pearson VUE account is activated. create your Pearson VUE account
After you schedule your test, Pearson VUE will send a confirmation letter listing your test date, your testing time, the address and phone number of the test center, and directions to the test center.
Special Accommodations_ (Extra time for non- native speakers)
For a number of certification exams (e.g. ISTQB) iSQI approves extra-time of 25% to non-native candidates. If you believe you are eligible for this time extension in your exam, please create your Pearson VUE account first and then complete and send the following form (plus any supporting evidence) to email@example.com.
Please DO NOT schedule your exam yet! For your next step, please allow 1 business day before calling Pearson VUE on +44-161-855-7455 (for other regional phone numbers please see here:www.vue.com/isqi/contact/ ) to schedule your exam or any day after, when you're ready to book.
If you would like to postpone or cancel your exam, please log into your Pearson VUE profile and make the applicable changes to the test.
Please note: Test appointments scheduled for less than 48 hours from now cannot be cancelled on the website. In this case please contact Pearson VUE customer service.
If you wish to find test center close to you simply click on the following link and choose “Find a Test Center” on the menu on the right