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Hardware and platform guidance for stable daily use.

Hardware, operating system, and storage requirements for running Overshow on macOS.

What the laptop needs.

16 GBRAM minimum

Enough for the local models and continuous capture to run together.

16 GBRAM recommended

Comfortable with continuous capture, transcription, and on-device chat.

20 GBFree storage recommended

Leaves room for the local models and the SQLite database as retention grows.

Three things to check.

Hardware

Apple Silicon required for the full on-device AI stack, including a local language model.

Operating system

macOS 26 (Tahoe) or later, Apple Silicon only.

Permissions

Screen recording is required. Microphone is needed only for audio transcription. Accessibility is optional and improves window detection.

Minimum and recommended specifications

System requirements

macOS

v1.0 requires macOS 26 (Tahoe) on Apple Silicon. This is the only supported platform for v1.

Minimum

Component Requirement
Chip Apple Silicon (M1 or later)
RAM 16 GB
Storage 5 GB free (for models and data)
macOS 26 (Tahoe)

16 GB comfortably runs on-device chat and capture together, alongside transcription, text extraction, and search.

Recommended

Component Requirement
Chip Apple M2, M3, or M4
RAM 16 GB or more
Storage 20 GB or more free
macOS 26 (Tahoe)

The on-device language model is optimised for Apple Silicon.

Storage over time

The SQLite database holds screen text, transcriptions, and embeddings. Expect roughly 500 MB per month for database growth on normal use, bounded by configurable retention. No screen images or video files are persisted, so disk use tracks text and metadata only. Keep 20 GB free if you want headroom for models and caches.

Permissions

  • Screen recording: required.
  • Microphone: required only if you enable audio transcription.
  • Accessibility: optional. Improves window and context detection on macOS.

For managed devices, confirm these can be granted under your endpoint management policy before deploying widely.

Hardware looks right?

Install on one laptop and use the Free plan for as long as you like.