Failover Server Installation for an Existing Standalone Server

[Mirza Shoaib]

Dear Members,

we have a standalone server installed but we want add failover functionality, Can anyone guide on below points;

- is there any way to add failover server to existing installed server? if yes, how?

- What is difference between windows failover cluster and kaspersky failover 

- Which failover option is stable.

how to guides are needed.

Regards

Mirza