Step 1: Practice some sample labs. Download free labs from here
Step 2: If you are satisfied with the content and the quality of the labs, review
the various volumes. Decide which labs interests you.Make purchase.
Step 3: After your purchase, HOL Team will send you the download link for your purchase.
Step 4: Enjoy. Practice the labs as many times as you want, and whenever you want. You own them for a lifetime.