Hi Thomas_Grillo,
Sadly there is no 'Accessibility' option at boot - the distro that only ever did this to my knowledge was Trisquel 5.5 or 6.0 that actually had the option to run live with the screen reader! Apparently their later offerings base on Ubuntu 13.04 onwards was supposed to allow screenreading after a delay of 30 seconds in live boot mode but I never tried it - Trisquel 5.5 or 6.0 was the best release as the screen reader in live mode was the first menu item of the live menu. I will need to log out of KDE desktop to go into Gnome and advise you of keyboard shortcuts to use and I will need to know if you are using modern nvidia graphics card. Back shortly.
OK, the problem is going to be sound in the first instance. In live mode you should hear a sound when the desktop launches. Give it 30 seconds to settle. Press the Super/Meta key (Windows key on your keyboard) which will launch the Windows 7 Menu. Then just start typing 'settings' then press the Enter key.
Press Ctrl+ S to search for 'accessibility' - you will only need to type in 'acce' and it will be the only item showing - press Enter. Then Press Tab twice and then press the Space bar - this turns the 'show accessibility menu at all times'.
Back in a moment to get the screen reader turned on! Having difficulties with this as unlike Zorin 15 I am having troubles getting any sound at all due to my setup. The program is Orca and to start it via keyboard it is Super+ Alt+ S - have turned orca off in the accessibility menu to check this and it will turn it on provided your sound card/chip is recognised. To configure the back end of Orca (as you would with JAWS) press the key combination of Alt+ F2 and type 'orca space dash dash setup' (orca --setup). To get Zoom function, press Super+ Alt+ 8 - this will max out the zoom function - press Super+ Alt+ - (minus) to reduce a step at a time. Hope this helps!
All you need to know about the Orca screen reader (written by a visually impaired employee of Sun Microsystems by the way before Oracle took them over!) is here: Welcome to Orca
Screen magnification: Screen Zoom and Mouse Indicator on Ubuntu 20.04
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