The value for StandardSystemProperty.OS_NAME on win10 is "Windows 10" which fails the case sensitive startsWith check See https://github.com/googleapis/google-http-java-client/blob/master/google-http-client/src/main/java/com/google/api/client/util/store/FileDataStoreFactory.java#L55
The value for StandardSystemProperty.OS_NAME on win10 is "Windows 10" which fails the case sensitive startsWith check
See https://github.com/googleapis/google-http-java-client/blob/master/google-http-client/src/main/java/com/google/api/client/util/store/FileDataStoreFactory.java#L55