BioStar 1.93 automatically installs MS SQL 2012.
However, if you have a older version of BioStar 1 installed and would like to upgrade to BioStar 1.93 without installing MS SQL 2012 you can upgrade with the instructions below:
2. Stop Biostar server in BioStar Server Config
3. Unzip the files.
4. Make a backup of the database before proceeding : MS SQL Database Backup and Restore Instructions
5. Run copy_biostar.bat as administrator to copy "console" folder and "server" folder.
6. Run the remaining executable files that were extracted as below.