How to install Windows 7 on Acer laptop using USB flash drive: In this process, two conditions are required: Windows 7 USB/DVD Download Tool; and Windows 7 ISO file.
1. First, you need to download a tool: Windows 7 USB/DVD Download Tool.
2. Double-click to open this tool, click Browse to find the ISO file of Windows 7, Press Next;
3. Next, the system will prompt you to select the boot media. Because Xiaoyi wants to build a bootable U disk, so I choose USB Device;
4. Select the U disk you want to use (if there are multiple U disks, you can select the one you want to use from the drop-down menu), and press Begin copying;
(Note: Here, use it as a boot disk The USB flash drive should have at least 4GB of flash memory. )
5. Now the Windows 7 USB/DVD Download Tool starts to create the bootable USB flash drive, this process may take a few minutes.
After the boot USB flash drive is created, connect it to the computer, set the BIOS computer's first startup item to USB flash drive, and you can start System installation.