Try manually powering down the computer, wait a few minutes, boot up and see if it resumes Windows 10 install process. If it doesn't, try the following steps.
Power down computer.
Wait 10 minutes.
Setup will automatically restore your previous Windows 10 build or previous version of Windows.
Launch command prompt with administrator privileges.
Press Windows key + X
Click Command Prompt (Admin)
Type the following command:
rundll32.exe pnpclean.dll,RunDLL_PnpClean /DRIVERS /MAXCLEAN
Hit Enter on your keyboard
Exit command prompt
Let me know if this works or if you need more help!