Hi and welcome to the site, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.
Initially and on "...install an Adobe Reader into...HP laptop...", would a LINK where it can be downloaded and instructions on how to install Adobe Acrobat Reader serve your need please?
Using the "...HP Laptop bught at Best Buy...", please click HERE. This is the download page for Adobe Acrobat Reader. Follow on-screen prompts and guidance.