How to tell which version of the Collector is installed?

There are two places where you can see which version of software an Installed Collector is running: from the Sumo Logic Web Application and in the Collector logs. 

Sumo Logic Web Application

To check the version of the Collector: 

1. Log in, then go to Manage > Collectors to open the Collectors page.
2. Find the Collector, and hover the mouse over the Collector's name. 
3. The software version number is displayed. 
   
   
   

The Collector logs

To check the version of the Collector: 

1. Go to the collector's [install_directory]/logs directory. (For example, /opt/SumoCollector/logs, /usr/local/SumoCollector or C:\Program Files (x86)\Sumo Logic Collector>.)
2. View the collector.out.log file.
3. You will find a Sumo Logic banner that contains the version number, as shown.