The CD can be installed on up to five devices. Be sure to run as Administrator.
For more installation resources, see:
Administrator rights in Windows 7, 8, and 10
Troubleshoot installation and running TurboTax for Windows
Troubleshooting problems with Windows Installer and the Microsoft .NET Framework
Running the Windows System File Checker
For support with updating:
Troubleshoot TurboTax for Mac updating issues
Troubleshoot TurboTax for Windows updating issues
Otherwise, You may need to call in for more support at (800) 446 - 8848. For more information about ways to contact TurboTax, see: What is the TurboTax phone number?
