Run Ccleaner's registry cleaner. Select the 'fix' tab and don't save. Reboot, which is important. Try installing the latest version again. If that fails then use the removal tool. Download and save to desktop. Reboot to safe mode and run the removal tool. Re-boot and try to install the latest version.
Windows 10 Home vs Windows 10 Pro comparison: Here are the extra features you get in the Pro version