Pro pack is for Windows 8 not for Windows 7. To downgrade to Windows 7, just buy the Windows 7 Pro OEM and perform a clean install.
If there are important data, back them up to another drive before installing windows 7 http://www.newegg.com/Product/Product.aspx?Item=N82E16832116992
Pro pack is for Windows 8 not for Windows 7. To downgrade to Windows 7, just buy the Windows 7 Pro OEM and perform a clean install.
If there are important data, back them up to another drive before installing windows 7 http://www.newegg.com/Product/Product.aspx?Item=N82E16832116992