It is important to start with a : DriverPack Solution (especially version 15.4) is often flagged by security software and IT professionals as Potentially Unwanted Software (PUP) or adware. Unofficial versions of this old release are known to bundle toolbars, browser hijackers, and cryptominers.
The software needs high-level permissions to inject drivers into the system folders. DriverPack Solution 15.4 Driver Packs 15.03.6
If you are considering using this specific version today, be aware of the following: strong warning It is important to start with