Sure, why not? Ultimately you still intend to financially support them.

I’m not gonna do all the samantical BS the other here are, I prefer supporting indies, giants can go to hell. So why not demo it, if you stop then it shows it was never for you.

I find I quickly stop playing most games I’ve pirated simply because the fact I was unwilling to pay for them in the first place was evidence I wasn’t all that interested in.