'''AmigaOS 4''' (OS4, AOS4) is [[Amiga]] [[æhtendebyrd]]cynn þe on [[PowerPC]] lytlgangendum ƿyrcaþwyrcaþ. Hit is mǣste on AmigaOS 3.1 frumaregol ƿritenwriten, and sum on fadunge 3.9. Man ālīesode "Sēo Læste UpȝebētungUpgebētung" on 24 ȜēolmōnðeGēolmōnðe, 2006 (ǣror in Þrimilcemōnðe 2004 ālīesode) æfter fīf ȝēargēar ƿeorcscipesweorcscipes<!-- "development" --> by þǣm Belgiscum ƿerodewerode [[Hyperion Entertainment| Hyperion Entertainment]] under lēafnesse fram [[Amiga, Inc]]. for AmigaOne ȝebōcedgebōced brūcendas.<ref name="Læste UpȝebētungUpgebētung">[http://www.hyperion-entertainment.biz:8080/news/2007-01-01 AmigaOS 4.0 Sēo Læste UpȝebētungUpgebētung oftrǣde.]</ref>
Þurh þā fīf ȝēargēar ƿeorcscipesweorcscipes, AmigaOne brūcendas magon foreālīesod AmigaOS 4.0 fadunga nieðerhlādan fram þǣm Hyperion horde. Þēos fadunga ƿǣronwǣron fæst and trēoƿþfultrēowþful, ac þēah ƿǣronwǣron hīe "foreālīesunga."