H&R block is a popular tax service and Tax Cut is the software that the company produces to allow you to do your taxes on your own. Most software is limited by license as to how it can be used. You can, however, use this software on more than one computer. It's simple, but you do need to pay attention to the legal requirements. There could be a limit that prevents you from doing exactly what you plan.
Check the license agreement to see how many computers are allowed to have the software installed at a time. This information may be in the manual or on the software CD.
Put the software CD in the drive of the additional computer. Click the installation option. You may see a option to reinstall. If so, choose this option.
Enter any required information during installation such as a serial number or activation code. On some applications you may be asked to enter some information from the credit card you used to purchase the software.