How to check if CrowdStrike is installed on your computer.

For Windows Machines:

1. Right-click on the Start button, normally in the lower-left corner of the screen. Select Apps and Features.
2. In the new window that opens, scroll down until you locate “CrowdStrike Windows Sensor” in the list of installed apps.
3. If you cannot find an entry for “CrowdStrike Windows Sensor”, CrowdStrike is NOT installed¹.

You can also validate that the sensor is running on a Windows host via the command line. Run this command at a command prompt: sc query CSFalconService. If you see STATE: 4 RUNNING, CrowdStrike is installed and running¹.

For macOS Machines:

1. Go to your Applications folder.
2. Locate the Falcon app and double-click it to launch it. The application should launch and display the version number¹.

You can also confirm the application is running through Terminal. Launch Terminal and input this command: sudo /Applications/Falcon.app/Contents/Resources/falconctl stats agent_info. If Terminal displays command not found, Crowdstrike is not installed¹.

For Linux Machines: To confirm the sensor is running, run the following command in terminal: ps -e | grep falcon-sensor. If you see a similar output as below, CrowdStrike is running¹.

[user@test ~]# sudo ps -e | grep falcon-sensor
635 ? 00:00:03 falcon-sensor