I’m a Mac user so not much direct help here. I can tell you from reading the threads on here that Windows users have reported needing to download a third party app to format, but being on an old version of Windows (7) maybe you still have that ability to use the utility in it. I know some change was made to formatting and FAT32 was no longer an option but can’t say when that change occured. Hopefully some will jump in now knowing your OS.
In the meantime you can use the search feature on TMC (I’d stick with the Model 3 forum area) and try searching by “FAT32 format Windows” or maybe specifically add the “ 7” to that. Once you’ve properly formatted it, pretty easy set up. The Model 3 manual spells out the steps and how to use TeslaCam and Sentry Mode.