First, check the timeline for the builds here https://www.starwindsoftware.com/release-notes-build.
How-to: https://knowledgebase.starwindsoftware. ... d-version/
CentOS-based CVM how-to: offline update https://knowledgebase.starwindsoftware. ... -vsan-cvm/
Builds that are older than 14398 need to go first to 14398
-Windows *.exe: https://starwind.my.salesforce.com/sfc/ ... aNlvfEpbIQ
-CentOS-based offline update file: https://starwind.my.salesforce.com/sfc/ ... AhFqPvZCVE
Then, you need to install 19551:
-Windows *.exe: https://starwind.my.salesforce.com/sfc/ ... MhX6MuyW8E
-CentOS-based offline update file: https://ovf.starwind.com/tmplink/starwi ... 551.tar.gz
Go to the latest builds now