It's not possible. StellarMate OS is a completely new unified OS for Raspberry PI and Mini PCs. It must be downloaded and reflashed to to the system.

What’s new in v2.0?

1. Atomic Updates: safer, smoother system upgrades
2. Integrity Checks: enhanced reliability and protection
3. Native NVMe & SD Card GUI Installer: easy graphical installation
4. Rolling OS with Latest Updates: always up-to-date
5. Snapshots & Rollbacks: restore your system instantly if needed
6. Flatpak Stable + Nightly Support: more flexibility for apps and testing

StellarMate OS v2.0 is not a free upgrade for existing users, however all current customers will receive a 25% discount as a token of appreciation for your valued support!

StellarMate Pro & StellarMate X Astrophotography Controllers customers can upgrade to SM OS 2.0 for free by downloading it from the orders page.