This is an unofficial, third-party modification of Windows 7 Ultimate x64 designed for performance on older or low-resource hardware. The "June 2019" tag usually indicates it includes security updates released just before Windows 7 reached its official end-of-life in early 2020. Key Differences from Standard Windows 7
For further details on system requirements, you can check the Windows 7 Archive user experiences with Lite versions Are you planning to install this on physical hardware virtual machine for testing? 2021 UPDATE 64bit-32bit (My Experience) | by Dave Jackson windows 7 ultimate super slim edition x64 june 2019 better
Pros and cons:
Faster Boot and Response Times: With fewer background services and system processes loading at startup, users report noticeably faster boot times and a more responsive interface. This is an unofficial, third-party modification of Windows