Google Instant is a great tool for many but for as many it's a bit annoying and they want to get rid of it or turn it off so it is actually very easy do.
At the bottom of Google home page click on Settings then on Search settings locate the section Google Instant predictions select Never show Instant results option and click save.
Alternatively use this URL to Google Search settings
https://www.google.com/preferences?hl=en&fg=1
At the bottom of Google home page click on Settings then on Search settings locate the section Google Instant predictions select Never show Instant results option and click save.
Alternatively use this URL to Google Search settings
https://www.google.com/preferences?hl=en&fg=1