Part A: Create Bootable Windows 10 USB Drive

At that place are plenty of tutorials easy online for this stair...

Use this one for OS X

Here's one using Windows:

  1. Download the Windows 10 ISO from Microsoft

  2. Download Rufus

  3. Install &A; Enjoyment the tool with the ISO (Pretty obvious eh?) and use FAT32 formatting with GPT for UEFI based systems in the dropdown.

Part B: Partition HDD/SSD for Windows 10 using Disk Utility

  1. Public Disk Utility and select the disk on the sidebar (Select the disk and not the partition)

  2. Click on the Sectionalization Tab and then the '+' icon

  3. Create a new divider with any name & size (preferably >30GB) and format information technology to FAT32

  4. Tick Put on and wait for changes to take gist

  5. Close Disk Utility

Part C: Install rEFInd

Note: This is done to support booting from USB Drives on old MB/MBP...

  1. Download rEFInd

  2. Extract the zip charge

  3. Open Terminal App

  4. CD to the extracted folder's location (Google how to use Candle commands)

  5. Type "./install.sh" without the quotation First Baron Marks of Broughton

  6. Enter password

  7. Run the command on step 5 again!!! (Sometimes it doesn't process the first work...)

  8. Quit Period App and Shut Retired your MB/MBP

Part D: Install Windows 10

  1. When you boot, you'll get word rEFInd window instead

  2. You'll be presented with the option additionally from USB labour...

  3. Select the right-most option! (The one with USB thumbnail! Select the 2nd indefinite if 2 USB thumbnail options are getable...)

  4. Set u Windows 10 (Same Eastern Samoa the installation for Windows 8/8.1)

  5. Your MB/MBP will bring up... Select the Windows Icon with Knotty Disk thumbnail this metre!!!

  6. Installation will continue...

Part E: Downloading Iron heel Coterie Drivers

After Windows 10 is up and run:

  1. Download Boot Bivouac 5.1.5722 Drivers

  2. Extract the Drivers along the Desktop...

  3. Run CMD or PowerShell as decision maker (Use the combination Budge + fn + F10 for perpendicular-click)

  4. CD into BootCamp5.1.5722/BootCamp/Drivers/Apple

  5. Run 'BootCamp.msi'

Note: We are using CMD/PowerShell to bypass Overhead Permissions for MSI Installer

Et Voila!!! All drivers will install automatically via Boot Camp out...

In vogue and matched NVIDIA and ATI drivers will mechanically get installed via Windows Update!

Optional

Part E: Bypass rEFInd boot screen

  1. Boot to OS X

  2. Attend System Preferences

  3. Pick out Startup Disk

  4. Prime BOOTCAMP or Macintosh HD (operating theater any your OS X partition is named)

  5. Click Restart

how to install windows 10 on macbook pro

Source: https://www.reddit.com/r/mac/comments/3fjyn2/install_windows_10_with_boot_camp_drivers_on_old/