You can download Open Manage Server Administrator 9.5 for ESXi 7.0 from below link. Please review Compatible Systems section to ensure your server is supported   You can also find installation instruction in below link [URL] 
We are moving to ESXi 7.0 but it turns out OMSA 9.4 and earlier is incompatible: [URL]  So considering that ESXi 7.0 was released back in April, where is OMSA 9.5? I searched but other than the above Dell page I couldn't find any trace of it. 
Where is OpenManage Server Administrator 9.5 for ESXi 7.0?