Whether you are beginners or experienced in computer music, searching for software sound sources and effects can be troublesome. But here's some good news for you! In fact, the free bundle called KOMPLETE START includes more than 2,000 sounds such as soft synths/samples/effects available from the software maker loved by professionals Native Instruments!

https://www.native-instruments.com/jp/products/komplete/bundles/komplete-start/
In addition to basic tones, KOMPLETE START includes thick synths, mallet/bell sounds with beautiful reverberations, moody cinematic tones, and SEs. Easily set high-quality presets that will enhance your music!
This time, I would like to show you how to install the KOMPLETE START!
・First of all, go to the manufacturer’s site.
https://www.native-instruments.com/jp/
・Click on the human-shaped icon in the upper right corner.
・The menu will drop down and click on “Register now”.

・Click on “I accept the end user license agreement and terms and conditions” to read the details.
・Check the box next to it.
・Type in your name, email address, and password.

・You will receive the confirmation email below from NATIVE INSTRUMENTS, so press CONFIRM EMAIL to complete registration.

・Next, go to the manufacturer’s KOMPLETE START page below and click “DOWNLOAD NOW”.
https://www.native-instruments.com/jp/products/komplete/bundles/komplete-start/

・Click “GET KOMPLETE START”.

・Click “GET KOMPLETE START” again on the next screen.

・Click on “DOWNLOAD” according to your OS.
・Download the administration tool NATIVE ACCESS.

Unzip the downloaded ZIP file.
Select the NATIVE ACCESS installer to install.

・After installation, launch NATIVE ACCESS.

・Click on “START UPDATE”.

・Log in with the email address and password for the Native Instruments account you created first.

・Select “Not installed” from the side bar on the left and click “INSTALL ALL” displayed on the upper right.
・Download/installation will start automatically.
*Depending on the Internet connection, it may take some time to complete.

・When there is no number next to “Not installed”, the basic installation is completed!

・Launch Komplete Kontrol, which is one of the installed software.
If you start Komplete Kontrol directly on the OS as a standalone, a data file that loads the related libraries will be created, so when you launch Komplete Kontrol, you will be able to use the installed tone colors on your DAW software!

・When Komplete Kontrol starts up, set the audio interface and MIDI device, and click “Close” at the bottom right.

When the loading is complete, the tone list will be displayed at the bottom left!
At the top of the list, there are buttons to narrow down the tones by type and category.
Now, installation is complete!
If your DAW software meets the system requirements of the Komplete Kontrol, you can launch and use it as a plug-in instrument even when typing on your DAW!

KOMPLETE START System Requirements
https://www.native-instruments.com/jp/products/komplete/bundles/komplete-start/specifications/
KOMPLETE START allows you to use the same selection of Native Instruments sound sources/effects that professionals use. The quality is so amazing that you may say to yourself, “is this really free!?”, so please make use of it for your music production! *Please note that since KOMPLETE START is free software, it does not include manufacturer support.
Also, the paid version high-end model KOMPLETE 13 series is currently on sale at Sound House. If you like the sound of Native Instruments, check this out as well!