Assuming you're running something prior to VxRail version 8, open a ticket with Dell and ask them to provide the update or updates. Current version seems to be 8.12 and there will probably be multiple updates to apply to get there.
what is the steps to upgrade my Log Insight version 8.2 to newer version. i am using standalone without cluster
Upgrade vRealize log Insight version 8.2 to 8.4 or 8.6