This topic is a follow on discussion from a user who queried how to install themes from here:
My pink theme in Krita
Hello @Matheus_Freitas, I’ve moved the discussion to here because it’s a distinct subject that would be useful to many people.
Can you post a step by step tutorial? I’m using linux and installed krita by flatpak, do not know what I’m doing wrong lol
Hello @Matheus_Freitas and welcome to the forum 
Do you need help with installing and using the themes made by @MrUwhite or is it something to do with the topics that have been linked by @Michelist?
Have you downloaded anything yet? What have you downloaded?
Have you tried anything yet? What have you tried?
Hello @AhabGreybeard!
I just don’t understand pretty well how to upload de pink themes in the color scheme folder. Just installed debian 12, I’m still getting used to it.
I tried using the manage resources in Krita, but nothing worked.
Could you explain how apply the themes on Krita?
@Matheus_Freitas
The Manage Resources facility deals with many things but it doesn’t do Themes.
It’s easy to get them in and you can manually copy them into the color-schemes folder of the main krita resources folder.
Then when you next start krita, they will be available.
Are you comfortable doing things like that?
If so, go ahead and let us know if it all works for you.
If not, ask for more advice