SketchUp Help & Tutorials — serial

Please note that serial numbers are only issued for Classic perpetual non-subscription licences. All subscription activations are controlled via your Trimble account.  Sketchup serial numbers are specific to a version of the software, for instance, a Sketchup Pro 2019 licence will not work with Sketchup Pro 2020. Changing the first letter of your licence will not make it work in another version. Upgrades and downgrades are free of charge for valid licences so please e-mail us at sales@educandi.co.uk if you need to change versions. Not sure if you have the correct serial number for the copy of Sketchup that you...