What is Live Filter? You can find useful information in this document.
To switch from Shuffle Filter to Live filter, there are 2 simple steps:
1. Disable Shuffle filter by uncheck the top checkbox in “Shuffle Filter” tab
2. Enable Live filter by check the Live filter checkbox under Filter Settings >> Advance >> Filter by Taxonomy
If you have enabled pagination for shuffle filter, it will switch to Ajax Numbered pagination automatically when enables Live filter.