Microsoft today released a Windows 10 Mobile build 10240 Emulator, which is newer than build 10166 is currently being tested by users in the Insider program.
Thanks to this Windows 10 Mobile build 10240 Emulator, user can run Windows 10 Mobile operating system on their Windows computer and explore the new features without the need to have an actual phone in hand. Note that build 10240 is old build, Microsoft says that the company is trying to repair the serious error. A new Insider build will be launched to users in this week or next week, but in the meantime, you can use this emulator. You can download this Windows Mobile 10 Emulator by clicking on this link, estimated disk space required up to 4GB, but if you want to discover more new features its worth to download.