uninstall the software.
Open Start
Type: cmd
Right click CMD
Click Run as administrator
At the command prompt, type:
net user administrator/active:yes
Hit Enter
Close command prompt, restart, then try signing into the Administrator account.
reinstall the program again.
or
Try compatibility mode...
If it came out in 2015, it likely is compatible with Windows 8.1...
The first thing you need to do is point where the setup files are located. If you are installing from a thumb drive or CD/DVD. Launch File Explorer (Windows key + E) and open the location where the setup files are stored.
Right click the setup file for the program, this can be designated as setup.exe or something similar. Click Troubleshoot Compatibility
This will launch the Program Compatibility Troubleshooter wizard which will check for issues.
Select the option “Troubleshoot program”
Depending on the problems you are experiencing when attempting to install or use the software, check off the problems. In my case:
‘The program worked in earlier versions of Windows but won’t install or run now’
The program requires additional permissions.
Click Next
Select a version of Windows the program is known to work in. Give Windows 8.1 a try then Click Next
Proceed to run the through the programs setup routine by clicking Test the program….
Follow the on screen instructions to install the program as you normally would.
If all is successful, click the option at the end of the wizard ‘Yes, save these settings for this program’
Wait while your settings for the program are saved.
Click Close.