Windows 10 "if interpreter" downloads

only if it doesn t check if link exists if it s not there how can i tell if my computer is running a 32 bit or a 64 bit version of windows notify if files are modified check if a string exists checking if files exist if it contains if interpreter check if like is available check if com is available check if url is retrievable check if url is valid check if files are altered check if link is valid multiple if statement in excel if folder exists interpreter test if file exists check if url is available