Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:obechler/openSUSE_Tumbleweed/home:obechler.repo
zypper refresh
zypper install qbittorrent
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:obechler/15.6/home:obechler.repo
zypper refresh
zypper install qbittorrent
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:obechler/15.5/home:obechler.repo
zypper refresh
zypper install qbittorrent