Microsoft recently released Windows 10 May 2020 Update, or the 2004 version, for those who want to install it manually from Windows Update.
But the company also informed Media Creation Tool, for those who want to upgrade their devices manually or create a bootable USB / DVD that could be used to update someone else or the same computer.
The Media Creation Tool is an application developed as an installation guide, so although it is not recommended for beginners, everything is quite simple. You need to follow one of the steps suggested to update your device or create a bootable USB / DVD from the ISO of the new version.
If you still do not want to install the update right now and you want to wait a while for any "disturbances" read how you can delay it from here.