Adobe Photoshop CS6, CC, CC2014 and CC2015 (tested also in CS5) pvdZ>D-IU
Wacom tablets: Intuos 4, Graphire 4 and Cintiq Companion Hybrid. PY:#F|uHS`
Windows 10 with a Pc Intel Core I7 3770 @ 3.40Ghz + 8gb RAM + NVIDIA GeForce GTX 960 fvAV[9/-
Windows 7 ultimate 64-bit SP1 with an Intel Core i5-2300 CPU @ 2.80Ghz, 4 GB RAM, Ati Radeon HD 5670 !'t2
iMac (27-inch, late 2012) 3,4 Ghz Intel Core i7 with 16 Gb 1600Mhz DDR3 NVIDIA GeForce GTX 675MX 1024 Mb - OSX El Capitan version 10.11.3 <"Cwy0V kp
MacBook Pro (Retina 13-Inch, 2015) 2.7 Ghz Intel Core i5 RAM 8 Gb 1867 Mhz DDR3 Intel Iris Graphics 6100 1536 Mb - 5Wt9
Basically, to use AD Impastoshop you need a 'modern' computer that runs your Photoshop smoothly without any trouble. To use it at it's best you need also a Wacom tablet or similar. Take that in mind because painting with many layers with effects could generate some kind of lag on machines without enough resources. i&G`ah>