In this case you need to change the account name by clicking on “Account Name” and “>” and select the particular account name for each service and you need to type the password for the account. It is recommended to create a service account for every SQL Server service. However, in real world it is not exactly the case. In “Server Configuration” you can simply click next to go to the next stage.In “Disk Space Requirements” section click next.As I always prefer to have a named instance I entered a “SQL2014” for the named instance. Enter the instance name here or stick with the default “Default Instance”.Note: If you selected “SQL Server Feature Installation” remember to tick “Management Tools- Complete” to install AMR tool that will be used for planning migration from disk-based OLTP to in-memory OLTP in the future. So, select whatever you need here and click next. Now you need to select the features that you need and it really depends on your requirements or if you selected “All Features With Defaults” in the previous section all feature components should be ticked.The default is “SQL Server Feature installation”. If you want to install all SQL Server 2014 features simply select “All Features With Defaults”. Here you should select the setup role to select which feature components to install in the next step.Now you should see the below window, click Next.You may see this message after awhile, just simply click OK.It might take long time to complete this part, so please be patient. This step might take some time to complete.
Accept the license terms and click next.In this step you should provide a product key or just simply go for evaluation edition and click next If you didn’t have any other SQL Server instances installed in you machine you’re safe and just move forward to the other steps. So, you’ll obviously need to redo all above steps and you’ll see that all requirements are ticked. Know you have to decide to uninstall the existing SQL Server instances or just installing SQL Server 2014 CTP1 on a clean installed virtual machine (VM). You cannot install this release until the existing instances of SQL products are uninstalled.” A SQL product other than SQL Server 2014 CTP1 is detected. If you click on “Failed” you can read the complete error message that is “Previous SQL product installation failed. Note that if you have any of previous versions of SQL Server installed on your machine the setup process will fail because this release of SQL Server cannot be installed in until the existing instances of SQL Servers are uninstalled. Click on “New SQL Server stand-alone installation or add features to an existing installation”