For customers who purchased upgrade from TW3 to TW 4 at the price of $300, we will offer them free license keys for TW 5. As you may know, TW 5 has been released and we have stopped selling TW 4, and the upgrading price from TW 4 Pro to TW 5 Pro has also been ajusted to $200. That is why we increase the upgrade price. Thank you very much for your understanding.
As to the conversion rate, it is calculated to the price of EURO of our product in addition to the service fee collected by Element 5, our servvie provider, based on the conversion rate on the day you place your order. We've decided to fix the prices of GBP, CAD and AUD.
The Virual Tour Way
I always look for the best purchase rate and then buy in that currency be it USD, EURO, CAD, AUD or GBP.
Just be aware of your local tax obligations.