[RM2K3] Runtime Problem

I downloaded Kirby Warrior RPG 3. I downloaded the RPG2k3 RTP from the offical website. When I started the app. I get "The RPG Maker 2003 Runtime Package is not present or not registered." I pressed OK to see this "Runtime1600414329 at 6E657665" I was confused since I already have the RTP in my computer and I can play Hero's Realm without any problems.

Got any Solutions?

[RM2K] [RM2K3] RPG Maker 2k3 and 2k not working?

Before I show you my problem, I downloaded the real rpg maker 2003 rtp, downloaded the unofficial rpg maker 2003 and 2000, and my computer is "windows 10". Now that's is out here's my problem.

I opened RPG Maker 2003 then everything was black. Tilesets are black, Heros are black, everything was black! When I check the resources tab there's nothing in it
so I have to import everything from the rtp (it was a pain). I created a new project
if the rtp was linked after I import all the resources. I was wrong... It's the same
thing as my first project! When I check the resources tab, it's the same without
the resources. How can I make the rtp linked with the project so I won't have to
import everything again.

I got the setup of RPG Maker 2000. When I try to download the setup it says, "This
operating system is not supported!". I search on google to find a solution. I try
everything people say but, it didn't work. How can I make the setup work without
making it say "This operating system is not supported!" (My computer is windows 10)
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