You can find the legacy 1.6.4 installer on sites like Uptodown or Filerox .
A completely free wireless screen mirroring tool that works across Windows, Android, and iOS with no hidden fees. air display for windows free download
While the mobile apps often require a one-time purchase, the (the software that makes your PC "broadcast" its screen) is often available as a free download from various software repositories. You can find the legacy 1