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ATK Player 0.5.8
Move a group of notes along the timeline, a bigger current-frame number, and an Open Folder button.
Download
Download ATK-Player-v0.5.8-Windows.zip
- Download the ZIP.
- Extract all files.
- Open the extracted folder and double-click
ATK-Player-0.5.8-Windows-x64.msi. - Follow the setup wizard.
After installation, launch ATK Player from the Windows Start Menu or use the installer's Launch ATK Player checkbox.
The ZIP contains the Windows MSI installer, installation instructions and licence notices. It is about 130 MB because the MSI includes licence notices and matching source materials for the application and its dependencies.
What's new
- Move several frames' notes at once. Hold
Shiftand drag across the timeline to select a group of note and drawing markers (shaded blue), orShift+click markers one at a time, then drag inside the blue band to slide the group along the timeline. Each frame keeps its own notes and drawings; holdCtrlto copy instead. One undo step. - Large current-frame number. The frame number beside the timeline is now large, bold and yellow, with
FRAME #underneath. - Open Folder. A new button beside the clip name opens the playing clip's folder in Explorer with the clip selected.
Full notes: RELEASE_NOTES_0.5.8.md. Walkthrough: User Guide.
Upgrading
Install the 0.5.8 MSI over 0.5.7, 0.5.6, 0.5.5, 0.5.4, 0.5.3, 0.5.2, 0.5.1, 0.5.0, 0.4.x or 0.3.0. It upgrades in place and keeps your preferences, projects and media. The project format is unchanged from 0.5.3.
Requirements
- Windows 11 x64 (the currently verified release platform)
- Microsoft Visual C++ 2015–2022 x64 Redistributable
Unsigned Build Notice
The Windows 0.5.8 MSI and executable are unsigned. Windows may show an Unknown Publisher or Microsoft Defender SmartScreen warning. Click More info → Run anyway, or right-click the MSI → Properties → tick Unblock. Verify the download against the published SHA-256 checksum.
Verify your download
In PowerShell, run this from the folder containing the downloaded ZIP:
Get-FileHash .\ATK-Player-v0.5.8-Windows.zip -Algorithm SHA256Expected ZIP SHA-256:
7338ab91c49b3c8cb0cee66640952db0e002fe20a6c8b0536206435ff30c10de
After extracting, you can also verify the MSI:
Get-FileHash .\ATK-Player-0.5.8-Windows-x64.msi -Algorithm SHA256Expected MSI SHA-256:
5f5321c67ef8d7cfdea15e478a1483bbf8c7083c07f083288e64857953c3d520
Code signing policy
ATK Player is preparing to apply to SignPath Foundation. Approval and signing integration are pending; the attached Windows artifacts remain unsigned. See the Code signing policy for maintainer roles, manual release approval, and privacy information.