Windows 7 Reached End of Life in January 2020.
Tutorial Video
Prerequisites
You will need to have Downloaded the Dell Windows 7 Pro Reinstallation ISO from Dell, made a Bootable USB and slipstreamed Updates and Drivers to the install.wim.
- Download Dell Windows 7 Pro Multi-Lingual ISO (Media Refresh January 2016) from Dell and Make a Bootable USBDell OS Recovery Tool ISO Checksums
- [64 Bit] Slipstream Updates (Media Refresh March 2019) and Drivers to the Dell Windows 7 Pro Bootable USB
- [32 Bit] Slipstreaming Updates (Media Refresh March 2019) and Drivers to the Dell Windows 7 Pro Bootable USB
- Convert Dell Windows 7 Pro Bootable USB to another Edition e.g. Dell Windows 7 Home Premium
- Convert Dell Windows 7 Pro Multi-Lingual Dell Bootable USB to a Microsoft Multi-Lingual, Multi-Edition Retail or non-Dell USB (Covering all Retail and non-Dell OEM Licenses)
- [64 Bit] Slipstream Updates (Media Refresh March 2019) and Drivers to the Dell Windows 7 Pro Bootable USB
This guide will convert that updated Bootable USB into a ISO (which can be used with VMware Player or to Make a Bootable USB at a later date).
oscdimg
You will need to Download oscdimg
Extract and copy to:
Create a new folder:
This will be the folder your Windows 7 ISO is created in.
Copy the following into Notepad++
BIOS
UEFI
Instructions below are given for BIOS but are identical for UEFI. UEFI only references a different boot file.
The code above is for the D:\ Drive, if your drive is different update the Drive Letter referencing the etfsboot.com file

And update the Drive letter of the Bootable USB once again:

Save the file ending in the extension .bat (as type all files)

Right click it and select run as administrator:

The Command Window will show, wait for it to disappear:

You now have the ISO:

You should find your newly created Windows 7 ISO in: