recently i found out that i cant zoom in using the touch screen i have for krita. it works for any other website or application and all, and i can draw with the touch screen, but it wont let me zoom it without actually clicking on the zoom percent. im kind of new at krita so i dont know if im just being dumb and accidentally pressed a button, but if anyone can help please let me know

On my SP3 with Windows 8, pinch zoom works, but not terribly well. This is a limitation in Qt4, which is the cross-platform development framework we're using. Krita 3.0 should use Qt5, which might (but no firm promises yet) ameliorate the situation.