How to stack two three-year activation codes into one six-year activation code?

[Guest 2153]

如何将两个三年激活码叠加成一个六年激活码？

我买了两个为期三年的EIS激活码。为了避免丢失它们，我希望将它们添加到我的帐户中，以便为我提供六年的激活时间。

 

Machine translation:

How to superimpose two three-year activation codes into one six-year activation code?

I bought two three-year EIS activation codes. To avoid losing them, I want them added to my account to give me six years of activation.

Edited April 21 by Marcos
Machine translation added

[Marcos 5,091]

Since this is an English forum, we kindly ask you to post in English.

As for merging multiple licenses, it's probably not possible. Please contact the distributor or reseller who sold you the licenses to find out.