Upgrade Offer: Customers who have previously purchased the 32-bit edition of this product are eligible to upgrade to the 64-bit edition for €14,95. The price will be automatically discounted upon login to an account that has previously purchased this title.
If you previously purchased MAJESTIC SOFTWARE - DASH 8Q 400 PRO EDITION FSX P3D or MAJESTIC SOFTWARE - DASH 8Q 400 PRO EDITION - INTL SALES FSX P3D at simMarket, you are entitled to the special upgrade price of EUR 19.95only. NOTE: The special upgrade price will be awarded automatically, therefore you must be logged into your same account used to purchase the previous version!
JustFlight has an excellent write up as well on all the various purchase and update/upgrade options so make sure you take the time to read it from top to bottom and select the most appropriate method of purchase.