Where Does Boot Camp Store Windows Drivers?
Boot Camp drivers and support files live in Application Support, downloaded by the Assistant on demand.
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Boot Camp support software lives in Application Support on the Mac side, downloaded by Boot Camp Assistant when you set up Windows. The bundle holds drivers for trackpad, Wi-Fi, graphics, and function keys.
Windows itself knows nothing about where the bundle came from. Reinstalling Windows wipes the drivers while the Mac-side copy survives, which is exactly the recovery path. Keep a copy of the support software outside both partitions before wiping either side.
Where macOS stores this, by platform
~/Library/Application Support/BootCamp
Downloaded Windows support software (drivers) for Boot Camp installs. Re-download through the Assistant when the Windows side loses devices.
Frequently asked questions
My Windows side lost trackpad and Wi-Fi drivers. Where do I get them?
Run Boot Camp Assistant again and download the support software. Apple refreshes the driver bundle over time, and a fresh copy fixes most broken-device cases.
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