Am not able to download peg personal edition.
Personal Edition No more avaiable, You can use Community Editionf for Learning Purpose.
Register by using below URL for Community Edition.
https://community.pega.com/get-started/community-edition
Personal Edition Software: Retirement of Pega Personal Edition and Try better to use Community Edition Do self practice in the Community Edition.
I hope this will help you.
Thanks,
Ashok