First ...call the CC company and cancel the purchase. Then yes, do a clean install using a product key from a legitimate source.
1. Prepare for Windows installation with USB tool or use available media
https://www.microsoft.com/en-us/download/windows-usb-dvd-download-tool
2. Connect boot drive data cable to lowest numbered SATA port .... but don't connect:
-Ethernet cable
-SATA Data Cable for any other drives
3. Install Windows to boot drive / partition after formatting
4. Turn off Windows ability to install Hardware drivers
https://www.tenforums.com/tutorials/48277-enable-disable-driver-updates-windows-update-windows-10-a.html
http://www.sevenforums.com/tutorials/82137-drivers-turn-off-automatic-driver-installation.html
5.
Install all hardware drivers from original media in boxes See Item 7 below
6. Connect ethernet cable and run Windows Update till it stops doing anything
7. Install latest drivers for ALL hardware from manufacturers web sites. The reason we didn't do this in step 5 is 3 fold:
-Sometimes MoBo CD comes with licensed utilities with product key embedded and these are not on web site versions
-Its advisable to establish a working out of box conditions
-Sometimes newer drivers require latest Windows Updates
If you have a 2nd drive ....
8. Shut down and connect HD data cable to 2nd lowest numbered SATA port.
9. Boot to BIOS and make sure that SSD is the 1st boot device, if not fix it
10. Boot to Windows