All the download links provided in this website are from Telegram servers. if you already have an account you are good to go but signing up on telegram is quite easy.
you can use web client from here
- enter your phone number and simply verify it with an sms.
- open the related post via link provided.
- click on download for all parts (if its more than 1.5 GB it will be divided in to several parts)
- click save file for each part
- a save as dialog will appear. save the file to desired destination.
- extract via winrar (password: coursebox.eu)
alternatively you can use web client based on react from here
or the chrome extention
But we suggest you to use desktop and phone clients because they are faster , more stable and reliable, also telegram is an awesome messenger itself 🙂