Updating to Sonoma!!

I'm now updating to Sonoma! I've downloaded from App Store because from system settings gave me an error. With this od I lose all my data or not?

https://preview.redd.it/naz9q1x32cfc1.png?width=767&format=png&auto=webp&s=2d7c2d33e9ee6f0830f250690118a6f5cb02cbd1