How to upgrade Vista to Win7

Relative to Vista, Win7 is more stable, taking up less system resources, some laptop manufacturers offer free upgrade activities, but many readers do not know how to proceed. Xiaobian here is a detailed introduction.
1. Confirm that your notebook is shipped after June 26, 2009. If the notebook meets the upgrade conditions, the computer should have a gift certificate or a redemption voucher.
2, use this coupon to go to the corresponding official website of the notebook to register and upgrade. Although it is a free upgrade, most of them need to pay a certain registration fee, cost about 150 yuan.
3, the upgrade application time is the latest February this year. Of course, some powerful manufacturers will extend the redemption time appropriately, and need to contact the manufacturer. The free upgrade of Windows 7 version should correspond to the previous version of Vista, such as the flagship version can only be changed to the flagship version.
4, the service is only for individual users, the maximum number of authorization is 25 computers. Enterprise users do this in other ways, and this method is not applicable.