Click MY CONTACTS on the top of the page
Find the respective contact and click to select him/her in the middle column
On the right side of the page, click Edit
Uncheck the box next to Downloading Enabled
Click Save Contact to confirm your changes
**Note about downloading rules**
If you disable downloading for a contact, they won't be able to download any promos, regardless of the download settings in a promo.
If downloading for a contact is enabled on this screen, then promo rules apply. Example: One promo might not allow any downloads. One promo might only allow 2 downloads.
Read about disabling downloading for multiple contacts or groups