: It was incredibly lightweight compared to modern Electron-based apps.
: Reviews from the tail-end of its life cycle highlight that Windows XP users often lacked SSE2 support on older CPUs (like the Athlon XP). Without SSE2, later versions of Skype for XP would simply crash on startup. Skype For Windows Xp Home Edition
: Most "useful" reviews today warn that Skype version 7.x (the last semi-functional version for XP) generally fails to sign in. Microsoft transitioned to a cloud-based infrastructure that the XP clients cannot authenticate with, leading to the infamous "Skype can't connect" error. : It was incredibly lightweight compared to modern
