What do the VOL and VLK versions of XP mean respectively?

1, organize volume licensing: group volume licensing (volume purchase authorization contract).

According to this license, enterprises or governments can get preferential treatment when they need to buy a lot of software. The label of the product CD is marked with the word "VOL", so the first three letters of "VOL" are used to indicate that it is a batch. According to the purchase quantity, this edition is subdivided into five editions: open license, select license, enterprise agreement and academic batch license. The Shanghai government's Vol XP is this batch purchase version. According to the VOL plan, VOL products do not need to be activated (whether upgraded to SP 1 or SP2).

2. The full name of 2.VLK is VOLume Licensing Key, which refers to the key required for the deployment of the VOL version, and it is only used in the Vol version. In short, for VOL XP, VLK is the installation key with PID of 640. For example, the installation key DG8FV-B9TKY-FRT9J-6CRCC-XPQ4G brought by Shanghai government's VOL XP is a VLK. The function of VLK is only to prove the legalization of products.