Ok Boomers ! If you're using Google Chrome type : chrome://settings/security in the address bar. Then under DNS settings, select custom and then choose from the drop-down list : Cloudflare (1.1.1.1)
That's it !
If you want to directly set it at you PC, or Apple or Android handphones check this link out. Or look at the video it's that easy : https://1.1.1.1/dns/
