ZAC accelerates business by bringing together voice, messaging, and video conferencing into a single, seamless workspace. Empower employees to work more efficiently and securely from anywhere and leverage our Integrated Contact Center through the very same UI to deliver the ultimate omnichannel customer experience.
Publisher’s description
What is ZAC?
ZAC is a proprietary video calls & voip program for Windows from Zultys, Inc..
Installation and requirements
Official installers exist for 64-bit and 32-bit as EXE. Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 10.2.4, released on September 14, 2026. 8 versions are listed since January 16, 2025, each with links to its own installer files. That is about 4.8 releases a year.
Pros / Cons
Pros
- Documented silent install
- Updated in the last two months
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
- Installation needs administrator rights
- The official download link did not answer at the last check
In short: ZAC is a video calls & voip tool for 64-bit and 32-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is ZAC safe to download?
- The file is served by mirror.zultys.biz; check that it is the publisher’s official mirror
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
CDA1F9E5C79979AA51AD049003B7172869FD6D51EC6B3F4A5A6CBDC45657A21B· Open the VirusTotal report for this hash - The link did not answer when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 8 versions ›8 versions over 2 years · about 4.8 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 10.2.4Latest | September 14, 2026 | — | 32-bit EXE64-bit EXE |
| 10.0.10 | March 31, 2026 | — | 64-bit EXE32-bit EXE |
| 9.4.24 | October 24, 2025 | — | 64-bit EXE32-bit EXE |
| 9.4.20 | September 24, 2025 | — | 32-bit EXE64-bit EXE |
| 9.4.15 | August 8, 2025 | — | 64-bit EXE32-bit EXE |
| 9.4.11 | June 16, 2025 | — | 32-bit EXE64-bit EXE |
| 9.2.13 | March 10, 2025 | — | 64-bit EXE32-bit EXE |
| 9.2.6 | January 16, 2025 | — | 32-bit EXE64-bit EXE |
Install from the command line
Silent install ›winget install --id Zultys.ZAC -eZAC_x64-10.2.4.exe /S /V/quiet /V/norestartmsiexec /x {4DC241F2-3E1C-4A0C-A1EE-ABB92247F95C} /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- Zultys, Inc.
- Category
- Video calls & VoIP
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- EXE
- Version
- 10.2.4
- Released
- September 14, 2026
- Added to the catalogue
- January 16, 2025
- Versions listed
- 8
- Updates / year
- 4.8
- Website
- zultys.com
- winget ID
- Zultys.ZAC
- MSI product code
- {4dc241f2-3e1c-4a0c-a1ee-abb92247f95c}
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to ZAC
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Frequently asked questions
Is ZAC free?
ZAC is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is ZAC safe to download?
The download comes from mirror.zultys.biz; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install ZAC with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can ZAC be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does ZAC run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of ZAC?
The versions page lists all 8 versions with links to their official installer files, back to January 16, 2025.
What are alternatives to ZAC?
Microsoft Teams classic, Zoom Workplace, Jitsi Meet, 8x8 Work and Amazon Chime. The alternatives page compares them.
