How much space does Fedora Workstation need to install?

I am installing it on a 32 GB btrfs partition, but the installer shows that “-24.56GB” is still required.(Yes, you read it correctly, there is a minus sign)

At least 25 GB is described in the document.

With a custom kickstart it can be quite small, this one is less than 1.5G.

df -h
Filesystem        Size  Used Avail Use% Mounted on
/dev/mapper/vm-r   22G  1.1G   21G   5% /
devtmpfs          4.0M     0  4.0M   0% /dev
tmpfs             3.9G     0  3.9G   0% /dev/shm
efivarfs           56K   11K   41K  20% /sys/firmware/efi/efivars
tmpfs             1.6G  708K  1.6G   1% /run
tmpfs             3.9G     0  3.9G   0% /tmp
/dev/vda2         974M  284K  906M   1% /boot
/dev/vda1         639M   36M  604M   6% /boot/efi

I imagine IoT images have use cases that come in quite a bit smaller.

I mean the workstation version, I’m sorry I forgot to make it clear.
And the problem now is that the installer is preventing me from installing.

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I do not have workstation installed anywhere.
However if it helps my KDE plasma VM looks like this:

$ df -h /
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3        63G  5.9G   54G  10% /

It would fit on a 32GiB SSD.

Problem “solved”. I first choose to create a new subvolume on the btrfs file system, and then on the right page, I choose the subvolume that I have already created and ignore creating a new subvolume then I bypassed this problem.

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