The download limit is restored daily at 23:59:59 UTC.
As a premium user, your limit is set according to the Plan which you have selected.
: 10 Downloads / Day, 100 Downloads / Month
: 25 Downloads / Day, 300 Downloads / Month
Premium Monthly Users
: 100 Downloads / Day, 1000 Downloads / Month
Premium Yearly Users
: Unlimited Downloads
Free users don't have any download limit. However, free users will only be able to download free slides.
If you want to download premium slides, you need to sign-up as a premium user.