You do not need to log out, everytime, in fact, that might prevent using SketchUp when (temporary) off line.
If you had 2019 installed and was logged in there, that might count as a separate activation.
You can be logged in on three devices.
Click on the ‘manage subscription’, select the right plan on the left to ‘View Details’ on the right and hit the ‘Deauthorize all’ button (not ‘Ok’)
(You need to sign out and back in to trigger the system)
You do not need to log out, everytime, in fact, that might prevent using SketchUp when (temporary) off line.
If you had 2019 installed and was logged in there, that might count as a separate activation.
You can be logged in on three devices.
Click on the ‘manage subscription’, select the right plan on the left to ‘View Details’ on the right and hit the ‘Deauthorize all’ button (not ‘Ok’)
(You need to sign out and back in to trigger the system)