How to Uninstall a Linux Dual-Boot System From Your Computer

How to Uninstall a Linux Dual-Boot System From Your Computer
https://www.howtogeek.com/141818/how-to-uninstall-a-linux-dual-boot-system-from-your-computer/

Can I Delete Recovery Partition in Windows 7/8/10 for Further Use?
https://www.partitionwizard.com/partitionmagic/delete-recovery-partition.html

Create a recovery drive
https://support.microsoft.com/en-us/help/4026852/windows-create-a-recovery-drive

Create a USB recovery drive
https://support.microsoft.com/en-us/help/17422/windows-8-create-usb-recovery-drive