Did I Mess Up My Daughter's Computer?

I downloaded:

Author: Malwarebytes
Date: 04/09/2013 06:37 PM
Size: 9.80 MB
License: Shareware $24.95
Click to buy Malwarebytes Anti-Malware Buy Malwarebytes Anti-Malware
Requires: Win XP/2003/Vista/Windows7
Downloads: 15357618 times

She has Windows 8 on one computer and Windows 8.1 on the other.
Neither are listed under the requires part. It only goes to Windows 7.
It seemed to work. Should I call her and have her uninstall? Perhaps some reading lessons on my part?
Thanks.

 

No, you've not messed anything up.

From MalwareBytes website:
Version: 1.75.0.1300
System requirements: Windows 8.1®, Windows 8®, Windows 7®, Windows Vista®, Windows XP® (32-bit, 64-bit)

 

WHEW. Thank you.