上部メニューの をクリックします。
9.0から一気に9.5.5へ上げることはできず、9.1 → 9.2 → ... と順番にパッチを適用する必要がある場合があります。 acrobat9 アップデート
Adobe Acrobat 9は、すでにアドビによる公式サポートが終了している古い製品ですが、現在も特定の環境で使用されているケースがあります。 上部メニューの をクリックします。 9
② オフラインインストーラーによる手動適用 Attempting to update or run Acrobat 9 on
Adobe ended all support for Acrobat 9 (including updates and security patches) on June 26, 2013 . There are no official update files available for download from Adobe for this version anymore.
Attempting to update or run Acrobat 9 on current operating systems often leads to errors:
Adobe Acrobat 9 is a very old version (released in 2008), and official support ended in 2013. This means Adobe no longer provides automatic updates or security patches. If you still need to update it manually, here is the current situation and the steps you can take: 1. The Current Reality No Automatic Updates: The "Check for Updates" feature within the software likely won't work because the update servers for version 9 are no longer active. Security Risk: Adobe strongly recommends upgrading to a newer version (like Acrobat DC) because version 9 has many unpatched security vulnerabilities. Compatibility: It may not run correctly on modern operating systems like Windows 10 or 11. 2. Manual Update Steps (If Available) If you have the base installation and want to apply the last released patches: Check your current version: Open Acrobat 9 and go to