1, VL: Win7VL refers to the Windows7 license obtained through the VL(VolumeLicense) program, which is mainly for enterprises, governments and educational institutions to purchase users in bulk.

2. Non-VL: The non-VL version refers to the Windows7 license obtained through retail channels, which is suitable for individuals and a small number of devices. Non-VL versions need to be purchased and activated separately, but they can be activated with any version of Windows7 or upgraded to other versions.