You're looking for a download link for Adobe Flash Player version 11.5.0 offline installer. Here are the features and download links for you:

Because of this:

The Specifics: What is Version 1150?

Unlike the dreaded 32.0.0.465 (which introduced the "time bomb" kill switch), version 1150 (often misidentified via user-agent strings as "11.5.0" or "11.5.0.50") was released in Q3 2012.

The "offline installer" became popular because it allowed users to install the player without an active internet connection, avoiding the often buggy and slow online "stub" installers. However, finding a legitimate Adobe Flash Player version 11.5.0 offline installer

If you need to run legacy Flash content, here are safer alternatives:

  1. A specific internal build number for an older release (possibly Flash Player 11.5.0.x, where "1150" is shorthand).
  2. A typo or misinterpretation of version 11.5.0 (e.g., 11.5.0.150).
  3. A modified or repackaged installer used by legacy enterprise software or embedded systems (e.g., digital signage, older POS systems, or SCADA interfaces).

has blocked Flash content from running in the player since January 12, 2021

Step 1: Disable SmartScreen (Temporarily)

Windows Defender SmartScreen will block the 1150 installer claiming it is "unrecognized." Right-click the .exe > Properties > Check "Unblock" (if available).