Followed the install steps.
Installed Elastic as a service.
Started service.
Service failed to start
Nothing in the logs folders
Using dedicated service account (not local system)
System error log error 7034
...service terminated unexpectedly
Solution
d:\Elasticsearch\logs should be populated
Remember to check the other logs
c:\Elasticsearch-7.10.2\logs
...stderr.log
Error: Temporary file directory userx\appdata\local\temp\7\Elasticsearch does not exist or is not accessible
Created the missing folder and the service started