For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tannenfreund_87:branches:tex/openSUSE_Tumbleweed/home:tannenfreund_87:branches:tex.repo
zypper refresh
zypper install texstudio
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tannenfreund_87:branches:tex/openSUSE_Slowroll/home:tannenfreund_87:branches:tex.repo
zypper refresh
zypper install texstudio
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tannenfreund_87:branches:tex/openSUSE_Factory/home:tannenfreund_87:branches:tex.repo
zypper refresh
zypper install texstudio