HP has the worst load of preinstalled sponsored bloatware and useless duplicate utilities of any brand.
This literally smothers and chokes the OS from it's native instantaneous state.
Work through these steps to Clean Up Factory Bloatware.
If they don't make it lightning fast in every way, back up your files and reboot into HP System Recovery
to run a Minimal Recovery which is the closest you can get to a clean reinstall.
If you want to go all the way to get just the OS with no HP crapware then read over these steps for Clean Reinstall - Factory OEM Windows 7
. Be sure to leave your HP Recovery partition and make the backup disks in case you decide to restore or return it after all.