HI! How to get back win 8.1 from windows 10 ..?

[Windows Central Question]

windows 10 on lumia 520 is really making my phone slow and even the touch not to work properly soo plz help fast

 

[grantpwarren]

Lumia software recovery tool... It would help if you just did a search..

 

[MDK22]

windows 10 on lumia 520 is really making my phone slow and even the touch not to work properly soo plz help fast

' ... help fast ... ' costs, have your Credit Card ready!

Alternatively, what he ^^^ said ... these instructions are all over the forum.