VM Install on Linux 7

yum VirtualBox-5.1-5.1.14_112924_el7-1.x86_64.rpm
Loaded plugins: langpacks, ulninfo
No such command: VirtualBox-5.1-5.1.14_112924_el7-1.x86_64.rpm. Please use /bin/yum --help
[root@prince Downloads]# yum install VirtualBox-5.1-5.1.14_112924_el7-1.x86_64.rpm
Loaded plugins: langpacks, ulninfo
Examining VirtualBox-5.1-5.1.14_112924_el7-1.x86_64.rpm: VirtualBox-5.1-5.1.14_112924_el7-1.x86_64
Marking VirtualBox-5.1-5.1.14_112924_el7-1.x86_64.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package VirtualBox-5.1.x86_64 0:5.1.14_112924_el7-1 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

============================================================================================================================================
 Package                    Arch               Version                         Repository                                              Size
============================================================================================================================================
Installing:
 VirtualBox-5.1             x86_64             5.1.14_112924_el7-1             /VirtualBox-5.1-5.1.14_112924_el7-1.x86_64             167 M

Transaction Summary
============================================================================================================================================
Install  1 Package

Total size: 167 M
Installed size: 167 M
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : VirtualBox-5.1-5.1.14_112924_el7-1.x86_64                                                                                1/1

Creating group 'vboxusers'. VM users must be member of that group!

  Verifying  : VirtualBox-5.1-5.1.14_112924_el7-1.x86_64                                                                                1/1

Installed:
  VirtualBox-5.1.x86_64 0:5.1.14_112924_el7-1                                                                                              

Complete!