How to reinstall/recover windows 8 from windows.old folder (device : laptop HP i3, 4GB RAM )

I upgrade windows from windows 8 to 8.1 pro, after that my all installed program, drivers got removed and windows looks like a fresh installation, nothing seems new in win 8.1 , spent whole night to fix/rollback my old windows but was not able to . However it seems there might be a way to recover because I can see windows.old folder in root drive and all the program files/drivers are there.

Can anyone guide me to recover my old windows 8 back.

Actually there lot of things which I need to reinstall like : .net 3.5,display drivers.. etc which I don’t want to .

Source: windows

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