While it may run on newer systems like Windows 11, it is not guaranteed or supported for reliability. Common Troubleshooting & Tips Acrobat_2015_Web_WWMUI - Adobe Community
For a legitimate, licensed user, the genuine Acrobat_2015_Web_WWMUI.exe is perfectly safe. It is the official, digitally signed installer from Adobe Systems, an internationally recognized, legitimate software company. It is not inherently a virus or any other form of malware. acrobat2015webwwmuiexe