I have been using construct 2 and want to upgrade to construct 3 but cannot find a free edition. please help.
Free edition can be accessed here:
editor.construct.net
Make sure you're logged in with an account as it gives you more events.
but it asks for a service. is there a way to install it and save projects to your computer?
Develop games in your browser. Powerful, performant & highly capable.
In Chrome you can use 'Install as app' from the main menu to install it, and save projects to disk using "Download a copy". Alternatively there's the desktop download of C3.
how to install as app?
I just explained that. If you need more information, see the manual.