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RTOPO - first license
Unit Price:   USD 58.00 
Total:   USD 58.00
 Info plus 0% sales tax/VAT to USD 58.00: USD 0.00
USD 58.00
Platform:   Windows 98, Windows XP x32, Windows 7 x32, Windows 7 x64, Windows 8, Windows Vista x64, Windows Vista x32, Windows XP x64
Version:   3.3
Language:   English
General requirements:   Graphic card with OpenGL hardware acceleration and 32-bit color depth, Windows 98/XP/Vista/7/8/10 and computer administrator account.
 
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Buy only once (qty. 1) the perpetual "first license"! You can buy anytime after, other perpetual licenses at a lower price, through "the second, third and the following licenses".

RTOPO - the second, third and the following licenses
 
The license purchased here is perpetual, but the "first license" must have been previously purchased.
Unit Price:   USD 31.06 
Total:   USD 31.06
 Info plus 0% sales tax/VAT to USD 31.06: USD 0.00
USD 31.06
Delivery:   Full version in an e-mail attachment
General requirements:   Graphic card with OpenGL hardware acceleration and 32-bit color depth, Windows 98/XP/Vista/7/8/10 and computer administrator account.
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