For some reason I need to restore Windows 10 to the default settings and doing so uninstalled Bootcamp utility, I know its Microsoft fault. But we need to reinstall the drivers manually anyway & something is not right with Bootcamp Utility in Mac as its downloading the driver like forever even in fast internet connections.

1. Mac devices prior to 2012 or newer Mac devices with the older Apple Boot Camp or Windows Support Software drivers have a compatibilty hold in place and are unable to update to Windows 10, version 1903. Specifically, devices with MacHALDriver.sys dated September 24, 2011 01:57:09 or older in Windows system32 drivers are affected.
2. The BC5.x drivers are still downloadable from Install Windows 7 on your Mac using Boot Camp - Apple Support, which support W7/W8.1. BC5.x drivers do not support releases older than W7, which would require BC4 or BC3 drivers.

Install Windows on your Mac

Boot Camp is a utility that comes with your Mac and lets you switch between macOS and Windows. Download your copy of Windows 10, then let Boot Camp Assistant walk you through the installation steps for Intel-based Macs.

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