Lenovo has windows 7 drivers for this machine. but i have a record of that purchase and the product key that came with it. so if this is the case here, then ask the client for the windows 7 upgrade or retail license. they would have the upgrade box i imagine. there must be some record of getting to windows 7 from vista if that was indeed the case.. If you’re planning on doing a reinstall of windows but can’t find your product key, you’re in luck because it’s stored in the windows registry. it’s just not easy to find, and it’s impossible to read without some help. luckily, we’re here to help. as you can see in the screenshot above, the product id is stored in the registry but is in a binary format that can’t be read by. Step 3: save recovered windows 7 product key. click save to file or save button at the bottom side to store windows 7 product key and other product keys on computer. way 2: find windows 7 product key with registry. as is known, windows product key stores in registry, so you just need to open registry, and can find windows 7 product key there..
Once installed, run it and your product key for windows 7 will be listed automatically. in addition to the free version, magical jelly bean keyfinder also comes with a paid version for more advanced features. besides, you can aslo try belarc advisor and winkeyfinder to get back your windows 7 product key. more windows 7 tips you should know. 1.. Change one of the values in the key value to a number from 0 to 9 or a letter from a to f. this invalidates the product key and will permit a change of the product key number. when you have finished altering the value of this key, close regedit.. Windows 10 saves your product key to the registry. you may have heard of, and possibly used some apps that allow you to look up your windows 10 product key. these apps make use of the information stored in the registry to find and display the product key..