Making an exposed filter to display on a view page display is very simple, and making it to show in a view block display just needs one option to be enabled.
if you’re unknown of it, you guys are going to spend hours finding it. hope this post will save you a lot of time…!
IN JUST ONE STEP!!!
If you’re in your block display and struggling to get your exposed filter simply set Use Ajax to ‘Yes’ on advanced options panel, in default it is set to ‘No’ Check the screenshot below