hmm you can go to @Pixilart they could easily help you. But you can also go to file on the top left corner, click on "save as.pixil" and then it'll save. if you want to go back on it then you'll have to go to file, and "open.pixil". Hope that helps.
Actually I ain't lewding the requests as it'll take too much time and I dont want to get caught. But I'll lewd one request only and you know who you are... I hate you the person who did this to me