Drupal 8.x

How do I create a form like the one below on the rest webform ?

I created a module and through the controller I download the nodes I need.
In the controller I also entered the code to display the movements on the web page.
The problem is that once the file is downLoaded, it does not show me the web page, which it does if I do not execute the downLoad code.
Is it possible to make the 2 things coexist?

I have a custom form with managed_file field for video upload in my custom drupal 8 module. Once video uploaded, it is accessible to everyone. I want to restrict video access to logged in users or specific user roles. I tried "Private Files Download Permission" module but it always says forbidden for everyone. I have setup private file system path and files are being uploaded on private directory but not accessible over browser. My custom form field code is:

Hello,

I have a d8 eCom site using the commerce module. Another person built the site. I looked at the folder structure and I noticed that sites, modules, and themes folders do not exist at the root level. Rather exists at root/web directory. Normally, all my d8 sites have the sites, modules, and themes folders at the root directory. 

I am migrating the site to another server. I am running into an issue. 

good morning I'm using Comerce 2 and Drupal 8

I already have it working and when doing some tests I realized that it only sent the email with the invoice and the order confirmation to the email of the customer who made the purchase.

I would like to know if you can also send an email with the purchase confirmation to the business email.

awaiting your attention.

On Drupal 7 I remember that it was possible to create a block and activate a parameter to let users choose if they want to hide it.

How to let the user choose to no longer display a block on Drupal 8 ?