After installation SuiteCRM looks broken

Installation was successful, but login screen looks strange and after login SuiteCRM looks … broken
Help me

Your CSS isn’t loading, that’s why the screens look broken.

This is a common symptom of not setting your permissions correctly before installing. You can try correcting that now.

Read the part here

near the “chown” and “chmod” commands. Adapt that to your case (change web server user name if it’s not www-data) and run those commands.

Then go in Admin / Repair and run a Quick Repair and Rebuild.