# Deactivate an EthoVision XT license

Aim

To deactivate a license, either to end the license agreement or to transfer the license to another computer.

example You have purchased a new computer and you would like to transfer your EthoVision XT license from the old to the new computer.

Prerequisites

▪EthoVision XT is running, and no experiment is open.

▪The EthoVision XT computer is connected to the internet, or you have a smartphone connected to the internet.

What do you want to do?

▪Deactivate a computer-locked license

▪Deactivate a floating license

See Types of EthoVision XT license

Deactivate a computer-locked license

1.If an experiment is open in EthoVision XT, close it (File > Close).

2.Choose Help > Deactivate License.

3.Choose Computer-locked and click Continue.

4.Select one of the options depending if your EthoVision XT computer is connected to the internet.

▪Deactivate online. Do this if your EthoVision XT computer is connected to the internet. Select this option and click OK.

▪Deactivate offline. If your computer is not connected to the internet, you need a smartphone connected to the internet, which can scan a QR-code. (1) Select this option, and click OK. (2) A QR code appears on the screen. (3) Scan this code using a smartphone and follow the link within 24 hours. (4) Click Deactivate on the screen that appears in your browser.

5.EthoVision XT shows a message that the license has been deactivated and closes.

Note:

▪If your smartphone is not connected to the internet, leave the link open, go to a place where your smartphone is connected to the internet and open the linked page.

▪When you click Deactivate offline, your license is deactivated on your computer, but not yet on the Noldus Server. For this second step you must scan the QR code and follow the associated link and click Deactivate on a web browser of your smartphone. Do this within 24 hours.

Deactivate a floating license

Deactivate a floating license when you need to transfer that license to another computer. Note that, when you have floating licenses, in order to be able to work on one computer you just need to close EthoVision XT on the other computer(s). You do not need to deactivate the license on the other computer(s).

1.Make sure that the EthoVision XT computer is connected to the internet.

2.In EthoVision XT, choose Help > Deactivate License.

3.A message appears: The license was successfully deactivated.

4.Click Close. You can now activate that floating license on another computer. See Activate your EthoVision XT license

See also

▪Activate your EthoVision XT license

▪Types of EthoVision XT license