
Back up any important data on it and delete everything, as the tool will format the drive and delete everything on it anyway. If you use a USB flash drive, make sure to use one you can dedicate to the Windows 8.1 installation.

Next, select the type of media you want to create on – either DVD or USB flash drive. Launch the Media Creation Tool and select your language and version of Windows 8.1. You can get the creation tool from this page and click the Create Media button to download it. To create the installation media, you will need either a blank DVD or USB drive with at least 4 GB of space. With the general availability of Windows 8.1, customers on Windows 8 had until January 12, 2016, to move to Windows 8.1 to remain supported. Windows 8.1 reached the end of Mainstream Support on January 9, 2018, and will reach end of Extended Support on January 10, 2023. Update: Windows 8.1 is nearing its end of support from Microsoft:

I want to install Windows 7 (32-bit) on a PC (not on a Mac) using a USB removable media (8GB) I have an ISO image of the installation DVD I want to prepare the USB media on my Mac (OS X 10.10 Yosemite).Windows 10 Media Creation Tool 6.117 | 17.6 Mb
