We provide preparation material for certification exams for various companies. Our products come in two formats i.e. PDF & Practice Test Software. A complete list can be found here: https://www.certs4it.com/vendors
Since you paid for the product you own it for a lifetime. However, we provide support & money back guarantee for 90 days from the date of purchase.
We accept payments via all major Credit/Debit cards & PayPal.