For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fschuett/openSUSE_Tumbleweed/home:fschuett.repo
zypper refresh
zypper install veracrypt
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fschuett/openSUSE_Factory/home:fschuett.repo
zypper refresh
zypper install veracrypt
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fschuett/15.6/home:fschuett.repo
zypper refresh
zypper install veracrypt
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fschuett/15.5/home:fschuett.repo
zypper refresh
zypper install veracrypt
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:fschuett/15.4/home:fschuett.repo
zypper refresh
zypper install veracrypt