When you see the option of which disk you want to install it on be sure to select the new partition that you created earlier in step 4.Now find the downloaded version of macOS Sierra and click on it to begin the install.Now rename the new partition from any name you want then click Apply.To resize the partition simply drag the partition corners.Currently, it will be a single drive, so click the Plus button beneath it and then click on the new partition you created. Now you’ll see a large rectangle with the heading Partition Layout.Open up Disk Utility (Applications > Utilities > Disk Utility) and select the main drive.To set up a dual-boot system you’ll need to do the following things.
Here’s the list of Macs supported to run macOS Sierra: via : WWDC 2016 apple event