Reinstalling avg

RECENTLY MY COMPUTER CRASHED. SO I NEEDED TO GET WINDOWS 8 DISK TO REBOOT IT.
HOW DO I REINSTALL MY AVG PROTECTION.

Rick, Please refrain from carrying out multiple postings on the same subject! You won't obtain an answer to your query any faster! See other posting (https://support.avg.com/answers?id=906b00000008oR0AAI).
AVG Guru