Note: This tutorial is Only for those who have AMI or AWARD Bios, for those who have Phoenix Bios please Google there are a lot of tutorial out there in the forest. To activate a Microsoft Operating System as an OEM (Original Equipment Manufacturing) - SLIC version should match the particular Windows Operating System installed. For Example, Slic v2.0 for Windows Vista, SLIC v2.1 for Windows Vista and Windows 7). - OEM SLP Produc t Key that matches the version of Windows installed Only SLP product key will work, Volume Licensing and Keys Retail Keys will never work. Any SLP product key, the Certificate (Company Cert. e.g Dell, HP, Acer, Lenovo etc. ), and the Slic (Particular Company Slic. e.g Dell, HP, Acer, Lenovo etc.) should always be the same . Downloads Bios Your original Motherboard Bios Tools AMI Tools - Click Here For those who have AMI Bios Award Bios Tools - Click Here For those who have Award Bios Certificate and Slic bin Certificate - Click here Slic ...