"I want to have a Windows 10 portable USB drive. I know I need it. However, I only have a 128GB USB drive. So here is my question: Can I create Windows 10 bootable USB from the current system? Any suggestion would be appreciated in advance!"
Windows users know that Windows 8 and Windows 10's Enterprise version has built-in the function Windows To Go Creator, which can be used to bring Windows 8/10 to USB flash drive with Windows 8/10 ISO file.
Windows To Go Creator in Windows 8/10 has limitations:
1. It only available in Windows 8/10 Enterprise version or Windows 10 Education version.
2. It needs a Microsoft-certified USB drive, and the USB drive must larger than 32GB.
3. It also needs Windows 8/10 ISO file.
If you lack any one of them, you can't create Windows To Go USB. Fortunately, there is some third-party software that can help you create Windows 10 bootable USB from the current system.
Actually, there are a lot of users want to create Windows 10/8/7 bootable USB, because it can be very useful for working on a different computer. No matter where you are, with this bootable USB drive, you can use your own system on any computer.
Qiling Disk Master Professional is a professional hard disk partition software that can not only help you create Windows 10/8/7 bootable USB from ISO, but also can help you create Windows 10/8/7 bootable USB from the current system. That means, with Qiling Disk Master, you can create Windows 10 bootable USB without Windows installation disc or ISO file. All you need to prepare are a USB drive, and a computer installed Windows 10.
You can free download Qiling Disk Master Professional to have a try for creating Windows 10 bootable USB drive with the current system.
* The operation will clear all data on the target USB drive. If there is no important data on the USB drive, click Yes to continue. If you have important data on the USB drive, make sure you have backed up files on USB drive in advance.
After that, disconnect the USB drive, and you can boot Windows 10 from USB flash drive on any computer.
Qiling Disk Master is such a great Windows To Go Creator that allows you to create Windows 10 to USB from the current system. Actually, it has many other useful features. For example, it can help you upgrade hard drive without reinstallation, or you can use it to transfer OS from HDD to SSD to change your boot HDD to SSD for improving the computer's performance.