You can buy a used laptop + dongle + license from a retiring locksmith. To transfer the license officially:
Some versions of TouchScan have a bug where copying a key brings over an invisible "space" character. touchscan license key
Modern versions of TouchScan do not use simple serial numbers. The license key is mathematically bound to your Hardware ID—a unique fingerprint of your laptop's motherboard, CPU, and hard drive. A key generated for "User A" will never work on "User B's" machine. You can buy a used laptop + dongle
A: No – unless you purchased a multi-seat business license. Standard keys are locked to one machine. To move it, deactivate first. Modern versions of TouchScan do not use simple
A: Major OS updates can change your Machine ID. You’ll need to reactivate. If it fails, contact support with your key and new Machine ID.