64b version of PSPad is still not stable as 32b version. There is only one reason why to use 64b version - when do you work with big files (hundreds of MB). In any other cases I suggest you to use 32b version. 32b version isn't more slow on 64b operating system and doesn't bring any disadvantages.
-- <https://forum.pspad.com/read.php?6,72029,72055> PSPad freeware editor https://www.pspad.com
