Since you can't download 2.0, you download a community theme pack . Search for:
Would you like help with setting up the official HyperSpin 1.5.1 instead, or recommendations for modern alternatives? Hyperspin 2.0 Download
The latest stable version of HyperSpin is 1.5.1 (or 1.4/1.5 depending on the source). There is no verified "2.0" version from the official HyperSpin team. Since you can't download 2