Install - Bootcamp 40 4033 Windows 10

To help narrow down the best solution for your setup, please share a few more details: What is your Mac? Which macOS version are you currently running?

to "Download the latest Windows support software from Apple." Save these drivers to a separate folder. Use a tool like (on a PC) or to burn the Windows 10 ISO to your USB. Step B: Partition Manually Disk Utility Select your internal drive and click Add a new partition, format it as MS-DOS (FAT) , and name it "BOOTCAMP."

: Some users have reported Blue Screen of Death (BSOD) errors if updates aren't handled carefully during the initial driver injection. Summary of the Install Process

Open from your Applications > Utilities folder.

There is insufficient contiguous (unfragmented) space to create a new partition, even if your total free space looks high. Step 1: Check Apple Server Status bootcamp 40 4033 windows 10 install

Note: You can re-enable FileVault after Windows is installed, but it may affect boot speed.

If you are not comfortable with these steps or encounter insurmountable issues, consider running Windows in a free virtual machine like VirtualBox. While performance will be lower, the installation process is much safer and requires no complex workarounds.

Windows 10 requires a solid block of uninterrupted storage space. Even if you have 100 GB of free space, Boot Camp might trigger Error 40-4033 if that space is fragmented across the drive or occupied by hidden system backups. Purge Time Machine Local Snapshots

tmutil listlocalsnapshots / sudo tmutil deletelocalsnapshots / To help narrow down the best solution for

If you see a fragment partition, select it and click the at the top of the screen to delete it and merge the space back into your main macOS partition.

When using the standard Boot Camp Assistant on these models, macOS often downloads drivers that are incompatible with Windows 10, or worse, drivers meant for Windows 8.1 that fail to initialize in Windows 10. The result is a fresh Windows 10 install with if an external mouse isn't present.

This comprehensive guide breaks down why this error happens and provides step-by-step solutions to successfully install Windows 10 on your Mac. What Causes Boot Camp Error 40 or 4033?

Alternatively, let Boot Camp Assistant download them during partition creation. Use a tool like (on a PC) or

1.0 Last updated: 2025 Tested on: MacPro6,1 (3.5 GHz 6‑Core, 40GB 1866 MHz DDR3 ECC, Dual D700) with Windows 10 Pro 22H2

This comprehensive guide will walk you through the entire process. We’ll decode the mysterious version number, cover the prerequisites, and provide a detailed, step-by-step installation guide, including a crucial workaround to install older drivers on Windows 10.

If you encounter a BSOD after trying to install the drivers, it is almost always due to a driver conflict. The solution is to boot Windows into and then revert the problematic driver. To access Safe Mode, restart your computer and press F8 before the Windows logo appears, or interrupt the startup process three times in a row to trigger the Automatic Repair menu. From there, navigate to Troubleshoot > Advanced Options > Startup Settings > Restart and then select Safe Mode .

Before we begin, it's important to understand what this version number represents. In the context of Boot Camp, "40 4033" refers to . This is not a computer model, but a specific driver package released by Apple around 2011-2012 to support Windows 7 on older Mac models.

Before fixing the problem, you must understand it. When Boot Camp Assistant attempts to partition your startup drive (usually an SSD or Fusion Drive), it needs contiguous, unmovable space.