We explain how to capture, copy, save, resize, automate, and troubleshoot screenshots on every iMac setup. Use `Cmd+Shift+3` for full screens, `Cmd+Shift+4` for an area, `Cmd+Shift+4` then `Space` for a window, and `Cmd+Shift+5` for the toolbar. The guide covers multiple displays, Windows-keyboard mappings, save locations, PNG/JPG Terminal settings, `screencapture` commands, Retina dimensions and file sizes, and fixes for shortcut conflicts or full storage. [Try LazyScreenshots Free](https://www.lazyscreenshots.com/)

[How to Take a Screenshot on iMac](<https://www.lazyscreenshots.com/blog/screenshot-imac/>)

Source observed: 2026-10-08T01:32:28.241Z. Last checked: 2026-10-29T01:54:31.527+00:00.

[Full page Markdown](<https://www.lazyscreenshots.com/pages/47c0df9c-518e-4459-9913-7f3f74c2540b.md>)

Setup: lazyscreenshots\_checkout — Open the official LazyScreenshots checkout. The user reviews the price and completes payment in Stripe. Use this action only at your user's request. Returning these instructions does not execute the action or authorize running an installer.
GET https://www.lazyscreenshots.com/api/public/v1/convert
Required inputs: none

Review the current price and macOS requirements, then complete checkout on Stripe. Opening the link does not buy or install the app.

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```text
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