Hi
KristenG. Please download Windows 10 ISO file from
here. Once the file is downloaded, follow the below steps to install Windows 10.
1. Follow the steps from this
article with "Express installation" unselected(uncheck the check box) and continue with the installation.
2. If prompted to enter the activation key, please select "I do not have a product key" and continue with the installation.
3. Once Windows is installed, please install Parallels Tools manually by following the steps from the article -
http://kb.parallels.com/115835
4. Activate Windows 10 manually.
* Click on the search bar, type "See if Windows is activated" and select the appropriate entry in the list.
* Click "Change product key" and select continue.
* Enter the activation key and click "Activate"
Click to expand...