4HOnline will be offline August 12-14 for system updates.
The new 4-H year does not officially begin until September 1 but the system will open on August 15 ready to begin new year enrollment. Youth that are 8 years old and in the 3rd grade should not start enrolling until September 1.
Helpful resources are available at: https://texas4-h.tamu.edu/4honline/, scroll down to Family Guides.