Download Pyxils
Windows 7 SP1 and newer, 32-bit and 64-bit. One installer, about 3 MB.
Finding the current version…
What is new
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Checking what you downloaded
The installer is code-signed. When you run it, Windows names the publisher as MOHAMMAD MARUF BASHIRI. If it names anybody else, or says the publisher is unknown, do not run it — it is not the file we published.
Every release is also published with the SHA-256 of the installer, shown above once the version loads. To check the file you have is exactly the one we published, in PowerShell:
Get-FileHash .\PyxilsSetup-x.y.z.exe -Algorithm SHA256
The browser button
Install the extension after the app. The app works without it; the extension is what catches downloads and shows the button on videos.