Hello,
please note that we only redirect you to the original Sectigo ordering page ;-) So WE can't do anything here and it has absolutely nothing to do with Lindersoft. We only provide access to discounted original Sectigo certificates.
Here is an interesting reading:
http://www.lindersoft.com/forums/sho...e-process-2020
https://www.setupbuilder.com/downloads/Comodo2020.pdf
BTW, IE is still available in Win10 (Select Start and enter Internet Explorer).
Friedrich