If you are using BioStar version 1.52 and above, you can use the following procedure to upgrade your BioStar version and reap the benefits such as bug fixes and new features.
Deleting BioStar will not delete your database but please back up your database so that you may revert your database if the database upgrade fails.
1. To back up your database, see How to make a backup of MSSQL database.
2. Uninstall BioStar from the control panel.
3. Download the most recent version of BioStar installation file: Download link.
4. Install BioStar with the setup file.
5. After the installation finishes, open BioStar Server Config with administrator privileges and check that your database Server and authentication are set properly and click apply.
6. Open the BioStar server folder at C:\Program Files (x86)\BioStar\server.
7. Run DBSetup with administrator privileges.
8. Run BioStar and check that all functions operate properly.