For Windows  you will first need to install Kodi to do this goto this tutorial below;

https://www.entertainmentbox.com/how-to-install-kodi-onto-windows-pc-windows/

Then you now need to install IPTV smarters pro, tutori

al below;

step 1:Open kodi and click on the cog icon in top left corner
step 2:Chose file manager
step 3:Chose add source
step 4:Chose “NONE” then type http://k.ska.ovh/k/ save it and name it Beezkneez
step 5:Exit back to the kodi home screen and chose addons.
Step 6: Then click on the open box top left.
step 7: Then chose install from zip file
step 8:Chose Beezkneez then chose addon.zip. It will now download and install th addon
step 9:Exit back to the kodi home screen and click on the streamkings addon to open and log in with your iptv username and password

All Done.

Then enter your username and password and our portal address as given in email into smarters pro, all done.