I have Windows 10 but it runs slow and some of the security setting are not working

[Windows Central Question]

windows security center is not functioning at all

 

[Chintan Gohel]

windows security center is not functioning at all

do you mean windows defender? Have you checked for OS updates? And app updates in store?
Also check to see how many programs are enabled to run at start up -disable those you don't need starting when you switch on the pc

http://forums.windowscentral.com/nokia-lumia-1020/428816-redstone-1020-a.html