Photoshop plug-ins from Google's "Nik Collection" are also completely free for Mac users.

Photoshop plug-ins from Google's "Nik Collection" are also completely free for Mac users?

I tested the collection for a month. Now she asks to pay.
Here is what I found on the Internet. How to understand this?

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The CHIP editorial team says:

Photoshop plug-ins from Google's "Nik Collection" are also completely free for Mac users.
Nik Collection
Full version: Nik Collection Photoshop plug-ins for Mac OS
The "Nik Collection" - that's seven professional photo editor plug-ins, which are also available for the Mac in addition to the Windows version. Included in the bundle: HDR Efex Pro, Color Efex Pro, Silver Efex Pro, Analog Efex Pro, Viveza, Sharpener Pro, Dfine. Originally, the collection of extensions was $ 500, but now it's completely free after Google's takeover.