itch.io

No,  I use Windows 7 Ultimate 64 bit (also checked  by Win7 32 bit).

Intel Core i7-3820 CPU  @ 3.60GHz 3.60 GHz

ASUS RADEON  RX 560 Series

I have no idea what the "pixel shader is", I just know that during the last 6 years I have play almost all the released adventures  without any problem...

Nothing changed with the new versions.  The game crashes  from the beginning.

Why I can't  use my PayPal account to buy the game "The St Christopher's School Lockdown"?

https://classroomgraffiti.itch.io/the-st-christophers-school-lockdown