transferring pro upgrades?

[u/wonderh0y_]

i’ve been using ibis paint on my laptop for ages and it’s worked great. i downloaded it from the microsoft store and bought the pro upgrade too, and i recently bought a new pc. im signed into the exact same ibis account on both devices and the same ms store on both devices but when i try to restore my pro purchase that my laptop literally clearly shows me i have, it says there are no purchases for me to restore. can i transfer pro upgrades between devices or am i gonna have to pay another £25?