On January 18th, 2022, Capture One discontinued C1 dedicated versions for Sony and Nikon.
Now you must pay for the full product, much more expensive.
At the present day (Jan. 19th) you can still download C1 Express for Fuji.
https://www.captureone.com/en/account/download/capture-one-express-for-fujifilm
There are better options for less, like DxO Elite.