Download the latest database software for your operating system from http://www.sapdb.org.
Take account of the relevant notes about disk capacity and the tested operating system versions.
...
1.
Choose
the database software package that matches your operating system architecture
for the installation profile all
maxdb-all-<win>-<32|64>bit-<arch>-<version>_<build>.<zip>
2. Use WinZip to unpack the software package to a local directory of your choice.
3.
In
this local directory, the system creates a subdirectory
maxdb-all-<win>-<32|64>bit-<arch>-<version>
and stores the database software there.