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要件、依存関係、プラットフォーム\nダウンロードしたMac用ランチャーは実行せずに検査されており、バンドルのバージョンは6.0、steam_osx実行ファイルはIntel x86-64です。Homebrewは、Apple Silicon向けにRosetta 2を明示的に指定しています。このランチャーで必要な場合は、システムに対応したRosettaサポートをインストールしてください。caskには、追加のformula依存関係も明示的なcask競合も宣言されていません。\n\nランチャーのplistが宣言するmacOS要件は10.13.0ですが、この過去のブートストラップ最小要件は、ダウンロードされるSteamクライアントやオンラインサービスの現在の対応OS要件ではありません。Valveは10.15を含む旧バージョンのmacOSのサポートを終了しています。古いシステムを利用する場合は、最新のSteamサポート要件を確認してください。この検証では、現在のMac対応状況を網羅した一覧は確認していません。後から更新されたクライアントにネイティブコンポーネントが含まれても、検査対象のブートストラップ実行ファイルのアーキテクチャは変わりません。\n\nSteamにはWindowsおよびLinux用のデスクトップクライアントもあります。ゲームごとにOS、プロセッサ、GPU、メモリ、ストレージの要件は異なります。Steamをインストールしても、すべてのWindowsタイトルがmacOSやLinuxでプレイ可能になるわけではありません。SteamのiOS／Android用モバイルアプリとSteam Linkは、機能の異なる別個のアプリケーションです。ここに掲載した公式App Storeの画像は、iPhone用のコンパニオン／ストア画面を示すもので、Mac用デスクトップクライアントではありません。\n\nValve公式の現行DMGは3,471,749バイトです。これはランチャーのダウンロード容量にすぎません。クライアントとゲームライブラリには追加のストレージとネットワークアクセスが必要で、要件は利用内容によって異なります。\n\n## 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