9 hours ago Unfortunately, Apple computers and laptops don’t come with a straightforward Print Screen Key. They do, however, have a few keyboard commands and apps that will. Jun 27, 2017 Steps 1. Open your Mac's System Preferences. To do this, click the System Preferences icon in your Dock or Applications folder. Select the Keyboard icon. If you're using an older version of the Mac software (Mountain Lion and earlier), it won't. Click on the Input Sources tab. To display the onscreen keyboard, choose System Preferences→Keyboard→Keyboard tab, and then select the Show Keyboard & Character Viewer in Menu Bar check box. Close System Preferences and click the Input Menu icon that appears in your Finder menu bar — the icon looks like a square containing an asterisk or a country’s flag — and choose Show Keyboard Viewer. May 18, 2020 On-Screen Keyboard on a Mac Now, a virtual Keyboard will appear on the screen. You can click on letters to insert them in documents or watch them become highlighted when you type on the actual keyboard. Here’s another way to activate On-Screen Keyboard on a Mac. Mac 101: Activate the Onscreen Keyboard in OS X - Gigao This will lock your Mac and return you to the Login screen. For older versions of the operating system, press Control+Shift+Power button (or Control+Shift+Eject if your Mac has an optical drive). You can also use a keyboard shortcut to put your Mac to sleep. Jan 10, 2015 Set up the screen and make sure you know what you want to capture. On your keyboard, press Command + Shift + 4. As soon as you release the keys, your mouse cursor will turn into movable crosshairs. Now drag the cursor anywhere (and this will be.
To use a keyboard shortcut, press and hold one or more modifier keys and then press the last key of the shortcut. For example, to use Command-C (copy), press and hold the Command key, then the C key, then release both keys. Mac menus and keyboards often use symbols for certain keys, including modifier keys:
On keyboards made for Windows PCs, use the Alt key instead of Option, and the Windows logo key instead of Command.
Some keys on some Apple keyboards have special symbols and functions, such as for display brightness , keyboard brightness , Mission Control, and more. If these functions aren't available on your keyboard, you might be able to reproduce some of them by creating your own keyboard shortcuts. To use these keys as F1, F2, F3, or other standard function keys, combine them with the Fn key.
You might need to press and hold some of these shortcuts for slightly longer than other shortcuts. This helps you to avoid using them unintentionally.
* Does not apply to the Touch ID sensor.
The behavior of these shortcuts may vary with the app you're using.

For more shortcuts, check the shortcut abbreviations shown in the menus of your apps. Every app can have its own shortcuts, and shortcuts that work in one app might not work in another.
Feb 24, 2019 The free OpenEmu is great for running all sorts of emulators on your Mac with a beautiful frontend, and I heartily recommend it for consoles and computers, but its MAME support is classed as ‘experimental’ – indeed, you need to download a separate build to get MAME supported at all. It works great for most games, but you need to compile your own binary to get sample support for games. The MAME project as a whole is distributed under the terms of the GNU General Public License, 2 (GPL-2.0), since it contains code made available under multiple GPL-compatible licenses. A great majority of files (over 90% including core files) are under the BSD-3-Clause License and we would encourage new contributors to distribute files under this license. 