Activation key to upgrade the CytoFLEX LX N0-V5-B3-Y5-R3-I0 flow cytometer with additional parameters. Upon installation the instrument will have 5 active lasers (375 nm, 405 nm, 488 nm, 561 nm, 638 nm) and 19 channels for fluorescence detection in the N3-V5-B3-Y5-R3-I0 configuration.