Drag the .sb3 file directly into the Scratch 3.0 editor (https://scratch.mit.edu/projects/editor).
This is the most frequent mistake. If you right-click a folder and select "Compress," the computer often puts everything inside a new sub-directory within the ZIP. convert zip to sb3 fix
Panic set in. He tried the obvious: he renamed QuantumKitten.zip to QuantumKitten.sb3 . The icon changed. Hope flickered. He dragged it into the Scratch editor. Drag the
The file sat on the desktop, taunting him. It was named Super_Mario_Bros_Remake_v2.zip . convert zip to sb3 fix