The only problem that I have encountered has been installing new applications. The repositories that Haiku lists in its website are either not responsive or no longer live. Its package manager (Haiku Depot) is missing from R1/Alpha 4.1 its stable version released four years ago.
Installing BeOS (Haiku):
Like most operating systems, the installation is handled by a live disk. The process is straight forward. It loads all necessary drivers including the 802.11 adapter and there is barely any configuration needed.