The best replacement for windows 8 is windows 7.

The best alternatives to windows 8 are rated as following:
★★★★★  windows 7
★★★★  windows 8 pro
★★★★  8.1
★★★  android
★★★  mac
★★  windows 7 performance
★★  android tablet
★  windows rt
★  windows 8.1
★  7
★  linux
★  vista
★  rt
★  xp
★  windows 7 gaming
★  apple
★  ubuntu
★  mavericks
★  7 better
  8.1 performance
  chromebook
  windows 7 for gaming
  mountain lion
  macbook
  windows 7 pro
  windows xp
  chrome os
  windows 7 home premium
  windows 8.1 performance
  mac os x
  pro
  windows 8 n
  windows 8 professional
  8 pro
  ios 7
  windows 7 benchmarked
  android phone
  unix
  windows 8 64 bit

Your alternative for windows 8 is not listed? Suggest!
Speaking about windows 8, one probably shouldn't forget about media center.

Other search terms related to windows 8 and their ratings are:
★★★★★ media center
★★★★ touchscreen
★★★★ microsoft account
★★★★ bing
★★★ start menu
★★★ office
★★★ uefi
★★★ windows 7 look
★★ xp mode
★★ login
★★ boot camp
★★ office 2010
★★ password login
★★ 4gb ram
★★ touch screen
★ internet connection
★ parallels
★ microsoft office
bootcamp
xbox controller
reset disk
touch screen monitor
start button
itunes
You have in mind a companion for windows 8 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of windows 8 in all years. Click on graph for more.
windows 8
windows 7
windows 8 pro