How can I install Mac OS 10.9 on my laptop?

Steps to install:

• Transmac programme should be installed.
• Select 'Run as administrator' from the context menu when right-clicking on the icon.
• Once Transmac has been launched, Verify whether your USB Stick is mentioned in the left area.
• If necessary, mount the USB drive in a different slot and restart the application (Transmac). Right-click on the link to your USB disc.
• Make a bootable disc for Mac OS X 10.9 Look for the Mac OS 10.9 file on your hard drive. (You can choose any raw or dmg files)
• Change dmg file to all and you'll be able to see your file.
• Click OK and follow the on-screen instructions. Get BIOS settings by restarting your machine ( F2)
• Switch to AHCI mode,
• Exit the BIOS and save your work.
• To access the Boot menu, press F12 or F10.
• Choose your USB flash drive

Read More: How do I install Mac OS without erasing Windows 10?