%% Last Updated: - [[2021-04-19]] %% In [[JMeter]], virtual users are called [[JMeter Terminology#Thread|threads]]. The term mimics OS or kernel threads in that each thread represents a separate process that follows a different user path. Threads are defined by [[JMeter Terminology#Thread Group|thread groups]] in JMeter, and are executed in parallel. You can change the number of virtual users in JMeter by clicking on your Thread Group and changing the “Number of Threads (users)” field: