Quote (flatter @ 27 Mar 2024 16:14)

Stars are unlocked by Purchasing more Forum Gold, or Adding Star Upgrades. All star amounts are confidential

Quote (CoLLiNz @ 27 Mar 2024 16:15)

As stated above, the star prices are confidential, meaning 'not to be talked about'.
If you're interested in getting donor stars, you could just start by exploring the tools I've linked in my previous post and learn as you go. :)