# Is there an option to add the 15" HMI Screen for the Apprentice **URL:** \ **Category:** Apprentice Series (Gen 2)\ **Created:** [January 12, 2026, 6:34am UTC](https://forum.onefinitycnc.com/t/is-there-an-option-to-add-the-15-hmi-screen-for-the-apprentice/37169 "2026-01-12T06:34:46Z")\ **Posts on this page:** 1\ **Showing post:** 23
**Author:** ![OnefinityCNC](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/onefinitycnc/32/7_2.png) [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\ **Post date:** [March 1, 2026, 6:14pm UTC](https://forum.onefinitycnc.com/t/is-there-an-option-to-add-the-15-hmi-screen-for-the-apprentice/37169/23 "2026-03-01T18:14:14Z")
The HMI add on is now available! > **[Redline HMI 15" Screen Add-On | Onefinity USA](https://www.onefinitycnc.com/product-page/redline-hmi-15-screen-add-on)** > > Redline HMI (Human Motion Interface) 15" Screen Add-On for machines with a Realtime CNC Motion Controller. > > > > This is an optional add-on for Gen 2 Elite and Apprentice machines that replaces the need for a PC/Mac to be connected to the Realtime CNC... The Windows/Mac/Linux software is no available! > [@Realtime Windows/Mac/Linux Controller Software Download Links (FAQ)](https://forum.onefinitycnc.com/t/realtime-windows-mac-linux-controller-software-download-links-faq/37706): > > Updated 3/1/2026 For use with Onefinity Redline machines without Redline HMI (powered by pc). Windows/Mac/Linux Realtime Software Download Links: Navigate to [Downloads - RealTime CNC](https://realtimecnc.com/download/) down download the appropriate installer type. [[Download software]](https://realtimecnc.com/download/) Windows: When installing the windows version, Windows Smart Screen may pop up . Press the ‘More Info’ to trust the application and proced with install. This should only need to be done once. When a popup asks to allo… --- _[View the full topic](https://forum.onefinitycnc.com/t/is-there-an-option-to-add-the-15-hmi-screen-for-the-apprentice/37169)._