Yes, we are an official retailer of pc games with official distribution agreements with respective developers, publishers or their sanctioned distributors :) but do not take my word for it and look it up :) One example is Ubisoft official partners' list: https://www.ubisoft.com/en-us/help/connectivity-and-performance/article/approved-digital-distributors-of-ubisoft-games/000079502

You can also read more on that on our support pages: https://us.gamesplanet.com/support

To answer your second question: https://us.gamesplanet.com/support/23-activations

You can notice on the product page that the key will have regional restrictions. For details see the information on the product page.

Third. Yes, that's what we promise and mention it on the respective product page :)