WinTopo Freeware is totally free for you to use - you do not need a license code for the freeware version.
WinTopo Pro requires a license.
After you have downloaded and installed WinTopo Pro you can try out all its features, but you will not be able to fully save your work from it until you buy a license.
Getting a license for WinTopo Pro is easy:
Start WinTopo Pro and click on the File menu. It will look like this:
Click on the License WinTopo Pro menu item
The WinTopo License window will appear. It will look like this:
Make a note of the Serial Number. (You can highlight and copy it with the mouse in the usual way)
Click on the Buy License online http://softsoft.net/wintopo button. Your Web Browser will start up and take you to the SoftSoft.net Online Store. Alternatively, you can maually point your browser to http://softsoft.net/wintopo/buy.htm
In the boxes on the web page, enter your desired WinTopo Pro User Name, the Serial Number (you can use the mouse to paste it in the usual way, if you copied it from the WinTopo Pro License window), and the e-mail address to which you want us to send you the License.
Click on the Buy Online button. You will be taken to the WorldPay secure payment page.
Select your prefered payment currency, and enter your credit/debit card details, and click on the Confirm Order button.
WorldPay will show you a summary of the transaction and ask you to confirm it. Then the transaction will be processed, and the purchase price will be taken from your credit/debit card account.
WorldPay notify us at SoftSoft.net that you have paid, and we e-mail the License to you, at the e-mail address which you gave on the web page.
When you receive the License, start up WinTopo Pro again and enter the License into the WinTopo Pro License window. It will look like this when the License is correctly entered (but you must enter you own User Name and License):