: Microsoft officially ended support for Windows 7 years ago. Without security patches, your system is highly vulnerable to modern malware and exploits.
: Windows 7 Enterprise was originally sold only through Microsoft Volume Licensing and required a Software Assurance agreement. Most "product keys" sold online today for this edition are pre-owned or digital-only licenses. buy windows 7 enterprise product key
Third-party retailers still offer these licenses, often as digital downloads. : Microsoft officially ended support for Windows 7 years ago