press the gear/cog icon and press the save or red arrow and press save when the file thing comes, then post, then press the gear and press load and select that file (plz comment if you didn't get wat i mean)

ok so on the tool bar side at the bottem there's a gear icon, and if you press it, you're shown a green arrow and red arrow, and the green one is load, and the red one is save, press the save thing and it will show the file tab, press save and it will be saved in your files, there post your thing, and go back, and press load, and press the load thing and press the file you saved in files when it shows up

*then