출처 : https://wccftech.com/optional-windows-update-is-available-for-21h1-20h2-and-2004-fixes-gaming-performance/Optional Windows Update Is Available – Fixes Gaming Performance IssuesOpti...
출처 : https://wccftech.com/optional-windows-update-is-available-for-21h1-20h2-and-2004-fixes-gaming-performance/Optional Windows Update Is Available – Fixes Gaming Performance IssuesOpti...