Once the installation finished, the system prompted for a restart. Mark rebooted his machine.

For Windows 7 in 2021, the safest, most practical approach is:

The search for "Dolby Digital Plus Advanced Audio" on Windows 7 in 2021 reflects a community-driven effort to maintain high-fidelity sound on an aging operating system. By 2021, Windows 7 had reached its end of life, yet many users still sought these specific drivers to enable features like 7.1 discrete channels and cinema-style audio on their hardware. The Quest for Advanced Audio

: It significantly boosts high frequencies often lost in compressed audio and broadens bass response.