To install a Steam version of the program on a second computer, you don't have to uninstall the software from the first computer.
Steam versions are linked to your Steam account and can be installed on any computer as long as you are logged into your account on that machine.
- First, download and install the Steam client onto the second computer.
- Then, log in to the Steam account you used to purchase the software.
- When you do this, Steam will send you an email containing an auth code. When prompted, enter the code in the Steam client.
- Finally, download the program and install it.