option.
.TP
\fB--compact\fR=\fIFORMAT\fR
-EXPERIMENTAL and only works on Windows 10 or later: compress the extracted files
-using the System Compression feature, when possible. System Compression is only
-supported by Windows 10 or later. Several different compression formats may be
-used with System Compression, and one must be specified as \fIFORMAT\fR. The
-choices are: xpress4k, xpress8k, xpress16k, and lzx.
+EXPERIMENTAL, Windows-only: compress the extracted files using System
+Compression, when possible. This only works on either Windows 10 or later, or
+on an older Windows to which Microsoft's wofadk.sys driver has been added.
+Several different compression formats may be used with System Compression, and
+one must be specified as \fIFORMAT\fR. The choices are: xpress4k, xpress8k,
+xpress16k, and lzx.
.IP ""
Exclusions are handled in the same way as with the \fB--wimboot\fR option.
That is: if it exists, the [PrepopulateList] section of the file