EO Browser is free for non-commercial use and what you see are data at full resolution.

If you need higher resolution data, you can get access to commercial data, but this action is payable. See this video on how it looks like. You will find pricing in the billing dashboard.

You can fill the application for ESA-sponsored access to commercial data, follow these instructions.

I also suggest to check this blog post, with some high-level thoughts on high-resolution data:

Commercial datasets done (mostly) right — always fresh

Seamless access to commercial data and what are the preconditions for that

Reading time: 6 min read