DraftSihgt doesn´t work after upgrade on Win 10

Hi,

I have a problem with DraftSight after upgrade on Win 10. Program doesn´t work. Instaltion folder on Program files was deleted when windows were make upgrade. Now i want to install new version (SP3), but i can´t instal this. I cannot make uninstal it from program files. How can I make correct uninstalation? How can I install new version on my PC? Please, can anyone help me?

Thanks

Tomas