Answers before your first boot.

To use Daylight on your Pi, install the packages on 64-bit Raspberry Pi OS. The AMD64 PC live image is a desktop demonstration, not a Raspberry Pi SD-card image.

The current version targets Debian 12/13 and compatible 64-bit Raspberry Pi OS (ARM64). The core has run on Raspberry Pi 4. That does not certify every board, display and driver combination. 32-bit ARM is not supported.

No: Daylight adds packages to a compatible existing system. Back up your data and review the installation plan. The desktop uses a separate X11 session and does not automatically replace your current session.

At your next graphical login, select “Daylight GNU/Linux” in the existing session selector. Installation does not add or start a display manager. Raspberry Pi OS Lite needs an appropriate graphical setup; core mode works without a display.

No. The 5.0.0-rc series is a release candidate. Tests and limitations are public. Reporting hardware and problems helps work toward a stable release without inventing performance figures.

Yes: daylight remove --dry-run previews removal, then sudo daylight remove requests it. Log out of Daylight first. It never runs autoremove; shared dependencies, personal settings and APT configuration remain. This is not a bit-for-bit restore.

The boot counter is a separate package, disabled by default. The installer does not enable it. It counts received events, not unique users. The site adds no advertising analytics; network intermediaries can still observe connections.

No. It uses a private QEMU/noVNC environment on your computer or your own GitHub Codespace. An account and quota may be needed, and charges can apply. No public demo VM runs on the Pi hosting this site.