ARC 2021.12.27.00 (Early Access & Runtime)

(Autonomous Robot Control Software)
Make robots with the easiest robot programming software. Experience user-friendly features that make any robot easy to program.

Change Release Notes

- Happy holidays:D

- Updated cloud messages with more description of the issue

- Added hard limit for bing speech recognition of 10 seconds recording time. This is because some people were leaving it running for hours and forgetting it was recording:)

- Updated to the latest dependency libraries for security updates

- Fix for inverting servo in some robot skills (i.e. talk servo)

- Fix for when changing the size of interface builder workspace where an error would display about invalid input

- Optimized some internal services for performance and exception handling

ARC Downloads

Teams FREE


  • Includes 1 free plugin robot skill per project
  • Community support
  • Free with trial limitations

For schools, personal use & organizations. This edition is updated every 6-9 months.


Early Access

As Low as $8.99/mo

  • 2 or more PCs simultaneously
  • Includes unlimited skills
  • Premium support
  • And much more

Experience the latest features and bug fixes weekly. A Pro subscription is required to use this edition.

Runtime FREE


  • Load and run any ARC project
  • Operates in read-only mode
  • Unlimited robot skills
  • Early access fixes & features

Have you finished programming your robot? Use this to run existing ARC projects for free.

  • Minimum requirements are Windows 10 or higher with 2+gb ram and 500+MB free space.
  • Get more information about each ARC edition by clicking here.
  • See what's new in the latest versions with Release notes.

Compare Editions

Feature ARC Teams
  Get ARC for Free View Plans
Usage Personal
Premium support $14.99/ticket
1 request/month
($9.99 for additional requests)
Feature requests Yes
Early access to new features & fixes Yes
Simultaneous microcontroller connections* 1 255
Robot skills* 20 Unlimited
Skill Store plugins* 1 Unlimited
Cognitive services usage** 10/day 6,000/day
Auto-positions gait actions* 40 Unlimited
Speech recongition phrases* 10 Unlimited
Camera devices* 1 Unlimited
Vision resolution max 320x240 Unlimited
Interface builder* 2 Unlimited
Cloud project size 128 MB
Cloud project revision history Yes
Create Exosphere requests 50/month
Exosphere API access Contact Us
Volume license discounts Contact Us
  Get ARC for Free View Plans
* Per robot project
** 1,000 per cognitive type (vision recognition, speech recognition, face detection, sentiment, text recognition, emotion detection)


Upgrade to ARC Pro

Your robot can be more than a simple automated machine with the power of ARC Pro!

ARC 2021.12.27.00 (Early Access & Runtime)
Does not install, getting this from Microsoft...
User-inserted image
that’s a new message from Microsoft. Press install anyway 

never seen that before
I tried to install anyway but it did nothing.  I changed the Apps setting to install from anywhere. now it's installing.
User-inserted image

Thanks DJ.
Thanks for the holiday update! Nice present from you! I like it.