Question about compatibility of High Sierra (on MBP 2017) w Photoshop Elements 2018 Specifically: Are there certain things I should do on my end (MacBook Pro 2017, High Sierra) so as to avoid crashing Photoshop Elements 2018? Not having a decent photo software on my MBP is driving me crazy and Gimp just doesn't do it for me (subscribing to Photoshop isn't worth it).

I've read tons of reviews. For every 5-star glowing review, there is a damning one. PE2018 should be the same upon delivery (download or disc), right? The variable here is the computer environment--which is why I am posting my question here and not on Amazon.

Thanks in advance!
It's not clear whether your concern is around the fact you're running macOS High Sierra or that you're using a 2017 MacBook Pro?

What I can tell you is that I've seen Photoshop Elements 2018 work just fine on Macs running macOS High Sierra. There really shouldn't be any issues, although everyone's system is different because of the software they have installed and external hardware that may be connected.

However, just in case you weren't aware, you can download a trial of Photoshop Elements 2018 to try it out first. I'd do that if you still have any concerns.