Single-user license just enables users to use the software on one computer.
If you want to install on another computer, please uninstall it from the old computer first, and then install it on the new computer.
Please note the license policy below at https://www.leawo.org/support/what-is-your-license-policy.html.
Installation of the program purchased under a Single-User License is restricted to one single personal computer owned by or under control of the licensee. Sharing this program with other individuals, or allowing other individuals to view the contents of this program, is in violation of this license. You may not make the program available on a network, or in any way provide the program to multiple users, unless you have first purchased at least one Multi-User License from Leawo Software.