The installer is about 1.4MB — it uses the WebView2 runtime Windows already ships instead of bundling a browser engine. Conversions run on the server, so the app stays current without re-downloading it.
A single EXE · no install, just double-click · carry it on a USB stick
PowerShell かコマンドプロンプトに貼り付けてください。Microsoft リポジトリの審査完了後に動作します。
winget install Projectteamforyou.OmniDesk
These files are signed as PROJECTTEAMFORYOU. SmartScreen looks at something separate from the signature — how long this publisher's files have been running without trouble — and that history has only just started. The warning goes away as more people download it.
If you would rather check for yourself
Run this in PowerShell; if the value matches the .sha256 file, the file you have is exactly the one we built.
Get-FileHash $env:USERPROFILE\Downloads\OmniDesk-Windows-Setup.exe -Algorithm SHA256
If you would rather not install anything, use it in the browser — the features are identical. The desktop app is only a window; conversion and storage happen on the server either way.