1.2 General Use. Except as otherwise provided in this EULA and so long as you comply with the terms and conditions of this EULA as a condition to the license granted herein, you are licensed to install and run one copy of the Software on one licensed device (the first licensed device) for use by one person at a time. Provided that you comply with all the terms and conditions of this EULA and when required by the Software, you present a valid, authorized, and activated Software key, you may also install and run a second copy of the Software on a second licensed device for use only by you for your internal business or individual use only, whichever is applicable. Only one person at a time may use the Software on each licensed device and the two licensed devices may not be used simultaneously by that one person. The components of the Software are licensed as a single unit, and you may not separate or virtualize the components and install them on different devices. By way of clarity, if this license has been entered into by an entity or organization, the copies of the Software licensed hereunder may only be used for the internal business purposes of the licensee entity or organization.
In short, you can install SnagIt on 2 devices using your personal activation key.
You are only allowed to use it on one device at a time.Plus you are the only one authorized to actually use it.