creo licence problem

[MB_9469061]

i write the licence given to me and ti says error even though i typed everything correctly

[VladimirN]

Have you used these instructions?

https://apps.ptc.com/schools/references/install_creo7_schools_standard.pdf 

https://apps.ptc.com/schools/references/install_creo7_unistudent_standard.pdf 

[VladimirN]

Have you used these instructions?

https://apps.ptc.com/schools/references/install_creo7_schools_standard.pdf 

https://apps.ptc.com/schools/references/install_creo7_unistudent_standard.pdf