Though It is possible to use Microsoft Edge Browser on a PC running Windows 7, 8, But using Microsoft Edge Browser on Windows 7 or Windows 8 is same like you install Windows 10 in Oracle Virtualbox, VMware or any other virtualization software.
Edge Browser Can’t Be Used On Windows 7 / 8 Without Virtualization Software
It has been difficult to use Microsoft Edge browser on Windows 7 and Windows 8 since Windows 10 was launched.
To use Microsoft Edge browser on Windows 7 or Windows 8, You have to download a virtual machine with more than 6GB of size.
Afterwards, you need to have installed Oracle Virtualbox, VMware or any other virtualization software for a virtual machine containing Microsoft Edge browser installation.
After the installation of virtual machine, You may face speed and performance issues while using Microsoft Edge browser in a virtualization software.