You can easily install the latest version of any other previous version of SuiteCRM in a Windows machine by using our installers at
If you have a backup of the MySQL database, you could remove the existing database after installing the application and use the backup that you have.
mysql -u root -p
mysql> drop database bitnami_suitecrm;
mysql> create database bitnami_suitecrm;
mysql> grant all privileges on bitnami_suitecrm.* to 'bn_suitecrm'@'localhost' identified by 'thePasswordInTheConfigurationFiles';
mysql> flush privileges;
mysql -u root -p bitnami_suitecrm < backup.sql
You can find more information about Bitnami SuiteCM here:
I also suggest you ask in the official forums of the application to get more information about how to proceed with this migration. They will provide you information about any other file you need to recover from the old machine.