hello, i have a vaio laptop with windows 7 pre-installed and i installed windows 8 on it, regreted it but i dont have a windows 7 cd, so does windows 7 actually still exist on my laptop cuz i have a recovery partition that is 9 gigabytes big and if it still does, how to reinstall it, i found vaio recovery wizard but i dont know if it fill format everything to the way before i installed windows 8 or will it just format factory the windows 8, help is appreciated, so the conclusion to my answer is... can you downgrade to your old laptop os through vaio recovery from the assist button, and is you can, how? thank you