@Gagala Thank you Kevin, but the link you just gave me (https://www.tp-link.com/support/faq/2241/) brings me to a site with another link (https://cms.tp-link.com/faq-709.html) and that's a 404. And...

@Gagala Found another source at https://github.com/clnhub/rtl8192eu-linux and the installation ran withour errors. Result: $ sudo lshw -C network *-network description: Wireless interface physical...

@Kevin_Z That link you gave me supports Linux (kernel 2.6.24 ~ <4.9.60) and my Ubuntu (which is actually Xubuntu) has the kernel 5.3.0. Exactly that file from that link is what I have downloaded and...

No intention to study Linux, I only want to get my Wi-Fi running. $ cat /proc/version Linux version 5.3.0-18-generic (buildd@lcy01-amd64-027) (gcc version 9.2.1 20190909 (Ubuntu 9.2.1-8ubuntu1))...