Generally speaking, 2 get the best performance from any operating system a clean install of a full version is recommended. The best choice is 2 choose a full version of the product & enjoy the benefits of not being left with artifacts & leftover's of your previous operating system which can lead 2 instability in certain cases. I would only buy this on a limited budget.
MicrosoftWindows95Upgrade requirements: PC with 386DX or higher processor MS-DOS operating system v 3.31 or later & MicrosoftWindows v 3.0 or later or OS/2 v 2.0 or later.