: Even though public support had ended, Microsoft continued to release security patches for big corporations through a paid program called Extended Security Updates (ESU) . Modders found ways to "slipstream" these exclusive enterprise-only updates into standard consumer versions like Windows 7 Ultimate .
: "OEM" in this context usually refers to a built-in script that automatically activates the OS using a generic OEM license key, making it a "ready-to-go" solution for those who lost their original product keys. Why People Still Use It windows-7-sp1-ultimate-6in1-oem-june-2020
Since these ISOs are unofficial and often hosted on file-sharing sites, they carry high security risks. Always use official sources if you have a valid license. : Even though public support had ended, Microsoft