Reader downloaded and installed, then disappears

I downloaded and installed Reader several times on my new laptop. Each time, I received confirmation of download and install, but app is not in my Program Files folder, nor findable in my Start function, nor in control panel Apps management - I can’t open it because it seems it’s not there. The installer file disappears from my Downloads folder when installation is complete. The whole app seems to vanish! This is my personal laptop (Windows 11), and I am an Administrator. Tried AcroCleaner and it didn’t help. Any ideas what's happening?