Hi:
If the cloud recovery app didn't work, you can clean install W10 by using the Media Creation Tool at the link below to create a W10 USB installation flash drive.
https://www.microsoft.com/en-us/software-download/windows10
After W10 installs, you can install the drivers and available software from the PC's support page.
https://support.hp.com/us-en/drivers/selfservice/HP-15-ba100-Notebook-PC/12499462/model/12780773