▁interface ▁of ▁the ▁software ▁or ▁on ▁a ▁screen ▁presented ▁to ▁the ▁user ▁during ▁the ▁installation ▁process . ▁The ▁functions ▁may ▁be ▁designed ▁to ▁analyze ▁which ▁websites ▁the ▁user ▁vis its ▁and ▁to ▁present ▁advert ising ▁pert inent ▁to ▁the ▁types ▁of ▁goods ▁or ▁services ▁featured ▁there . ▁The ▁term ▁is ▁sometimes ▁used ▁to ▁refer ▁to ▁software ▁that ▁displays ▁unw anted ▁advert is ements . ▁ ▁Share ware ▁is ▁often ▁pack aged ▁with ▁ad ware . ▁During ▁the ▁install ▁of ▁the ▁intended ▁software , ▁the ▁user ▁is ▁presented ▁with ▁a ▁requirement ▁to ▁agree ▁to ▁the ▁terms ▁of ▁click ▁through ▁lic ens ing ▁or ▁similar ▁lic ens ing ▁which ▁gover ns ▁the ▁installation ▁of ▁the ▁software . ▁ ▁C ri pp le ware ▁▁ ▁C ri pp le ware ▁has ▁vital ▁features ▁of ▁the ▁program , ▁such ▁as ▁printing ▁or ▁the ▁ability ▁to ▁save ▁files , ▁disabled ▁( or ▁have ▁unw anted ▁features ▁like ▁wat erm arks ▁on ▁screen cast ing ▁and ▁video ▁editing ▁software ) ▁until ▁the ▁user ▁bu ys ▁the ▁software . ▁This ▁allows ▁users ▁to ▁take ▁a ▁close ▁look ▁at ▁the ▁features ▁of ▁a ▁program ▁without ▁being ▁able ▁to ▁use ▁it ▁to ▁generate ▁output . ▁The ▁distinction ▁between ▁fre em ium ▁and ▁cri pp le ware ▁is ▁that ▁an ▁un lic ensed ▁fre em ium ▁program ▁has ▁useful ▁functionality , ▁while ▁cri pp le ware ▁demonstr ates ▁its ▁potential , ▁but ▁is ▁not ▁useful ▁on ▁its ▁own . ▁ ▁Tri al ware ▁ ▁Tri al ware ▁commonly ▁has ▁a ▁built - in