once again, "reinstall MathCAD 15"

[Juergen1]

Hello ...
I wrote this message three weeks ago:

I have a Student Licence of MathCAD 15.0 at Windows 7. The System where I have installed Mathcad has crashed. How can I reinstal MatCAD? Further, I want Install Mathcad 15.0 update at Windows 10.
I'm thankful for any help.
Regards Jurgen

I have got a response from this community:
You can submit a support request in "Academic Case Logger", here: http://support.ptc.com/appserver/support/academic_case_logger/academic_case_logger.jsp

Than, I have called up the link, filled out the form and received an answer:
Hello,

As a University and estore Mathcad support, you have access to our commercial tech support team. For support inquiries, please file a support ticket. You will need your Sales Order Number (SON) or customer number to submit a ticket. Instructions can be found here.

If you don’t know your SON or Customer Number, please contact academicsuccess@ptc.com

Regards,
Abdul

Than, I have requested a SON and I have get the followed response:
Could you tell me if you purchased Mathcad via our eStore?

Regards,
Oana

I have sent my Licence Documents at an Attachment and now I have get no response.

What can I do to get further help?
Why is the reinstall procedure so very difficult?
Is there any way to reinstall MathCAD and how long will it take?

regards Jurgen1

[LucMeekes]

You could have added this complaint to the original message. The effective result is the same.

You are at the mercy of PTC, I'm sorry to say, but it's just like that.

Note that, while this forum is provided/hosted/maintained by PTC, discussions on this forum are between users/customers of PTC. PTC personnel only occasionally will take part in any discussion.

Strength!

Luc

[Juergen1]

Hi Luc,

thank you very much for yor answer.

I will continue to search for help.

regards Jurgen1

[VladimirN]

Try to use "Reconfigure Software Licenses" option from a PTC's site, link: http://www.ptc.com/appserver/lm/rsl/reconfig.jsp

[Juergen1]

Hi VladimirN,

thank you for your answer. I have called the Link. This is the Response:

PTC.com Konto nicht autorisiert

PTC.com account unauthorized

regards Jurgen1