Download Latest release 1.0.8 · Oct 20, 2026

Download Helmsay

Free to download. Start on the Free plan and upgrade only if you need more.

WindowsmacOS Not yetLinux Not yet
Helmsay 1.0.8 for Windows
Stable
HelmsaySetup-1.0.8.exe · 218.8 MB · x64
This installer is not code-signed yet, so Windows SmartScreen may say it protected your PC. Choose More info, then Run anyway. Compare the SHA-256 below with the downloaded file first if you want to be sure it is ours.
After you download
01
Run the setup
Installs for your Windows account, so no administrator prompt. Adds a Start menu entry.
02
Let Helmsay check your PC
The PC check shows which tools can run locally and what is missing.
03
Open the sample avatar
Try the preview, a tweak, and an expression without an API key. Then start in Basic mode.

To uninstall, open Windows Settings, then Apps.

Verify Optional

Check that the file is ours.

Compare the SHA-256 of the file you downloaded with the one below. Updates do this automatically: each one is checked against its SHA-256 and its release signature before the installer starts.

# PowerShell, in your Downloads folder
Get-FileHash .\HelmsaySetup-1.0.8.exe -Algorithm SHA256
Expected SHA-256
d68f942195e94d215b9f56abee761d90cf11ddd4a4d28cffbfb65b356eb096f9
Requirements

Helmsay is light.
The AI is what is heavy.

Helmsay itself is light. You do not need a 16 GB graphics card to download it, open it, or use it. The heavy requirements come from the optional tools Helmsay connects to.

AI on your PC (free)AI online (paid services)
WindowsWindows 10 version 1903 (build 18362) or Windows 11, 64-bitWindows 10 version 1903 (build 18362) or Windows 11, 64-bit
Processor4 processor cores with SSE4.24 processor cores with SSE4.2
Memory16 GB of memory8 GB of memory
Free disk10 GB of free disk space10 GB of free disk space
GraphicsAn NVIDIA graphics card with 16 GB of video memory2 GB of video memory. The graphics card can be an NVIDIA GeForce 400 series card or newer, an AMD Radeon HD 7000 series card or newer, or an Intel Broadwell card or newer
Tools Helmsay can use
ToolNeeded forRunsCostNeeds
Helmsay appAlwaysYour PCFree8 GB memory, 10 GB free disk
Desktop 3D programRigging the modelYour PCFree2 GB video memory, 8 GB memory
VRChat export toolsVRChat exportYour PCFree8 GB memory
Local concept-art modelOptionalYour PCFree8 GB video memory, 16 GB memory
Local 3D model generatorOptionalYour PCFree16 GB video memory
Online 3D service you chooseOptionalOnlinePaid by that serviceRuns on that service's computers
Helmsay cloud renderOptionalOnlineComing soonPrices listed when packs go on sale

Figures are each tool's published minimum.

Models and licenses

Ask Helmsay can download Qwen3-4B, an Apache 2.0 language model, about 2.3 GB, and answer on your PC.

TRELLIS is restricted. Its setup pulls non-commercial parts (nvdiffrast and diffoctreerast).

Hunyuan3D stays off unless you turn it on. Its license does not cover the EU, the UK, or South Korea, including use of the output there. VRChat can show an avatar worldwide.

All versions

Version history

VersionChannelReleasedSize
1.0.8 CurrentStableOct 20, 2026218.8 MBRelease notes Download
1.0.7StableOct 19, 2026201.7 MBRelease notes Download
1.0.6StableOct 19, 2026201.6 MBRelease notes Download
1.0.5StableOct 19, 2026200.8 MBRelease notes Download
1.0.4StableOct 18, 2026200.8 MBRelease notes Download
1.0.2StableOct 18, 2026193.6 MBRelease notes Download
1.0.1StableOct 18, 2026193.5 MBRelease notes Download
1.0.0StableOct 17, 2026191.5 MBRelease notes Download