3. Installation
---------------
-ReactOS can only be installed on a machine that has a FAT16 or FAT32 partition
-as the active (bootable) partition. The partition on which ReactOS is to be
-installed (which may or may not be the bootable partition) must also be
+By default, ReactOS can only be installed on a machine that has a FAT16 or FAT32
+partition as the active (bootable) partition. The partition on which ReactOS is
+to be installed (which may or may not be the bootable partition) must also be
formatted as FAT16 or FAT32. ReactOS Setup can format the partitions if
needed.
+Starting 0.4.10, ReactOS can be installed using the BtrFS file system. But
+consider this as an experimental feature and thus regressions not triggered on
+FAT setup may be observed.
+
ReactOS can be installed from the source distribution or from the bootable CD
distribution. The two ways to install ReactOS are explained below.