聯想的SLIC2.1 Bin檔跟授權證書你要自己上網找
改序號
https://yanglimj.wodemo.net/entry/346827
刷bios，以Phoenix BIOS為例
https://blog.hoyo.idv.tw/?p=527
WIN7 HOME PREMIUM(家用進階版)
27GBM-Y4QQC-JKHXW-D9W83-FJQKD
--- xxxxx-OEM-8992687-00249 --- IBM-LENOVO
WIN7 PROFESSIONAL(專業版)
237XB-GDJ7B-MV8MH-98QJM-24367
--- xxxxx-OEM-8992671-00437 --- IBM-LENOVO
WIN7 ULTIMATE(旗艦版)
6K2KY-BFH24-PJW6W-9GK29-TMPWP
--- xxxxx-OEM-8992662-00537 --- IBM-LENOVO