Download adobe for macbook high sierra 10.13.6

You're using an outdated operating system that's 8 full versions behind the latest Apple OS.

It's time for a new computer.

Make sure your computer meets the minimum CPU & GPU requirements. Most Creative Cloud apps work on these systems, no more than 2 versions back:

• Windows 11 (64-bit) versions 23H2, 22H2; Windows 10 versions 22H2, 21H2;
• MacOS 15 (Sequoia), 14.7 (Sonoma), 13.6.7 (Ventura), 12.7.6 (Monterey).

- https://helpx.adobe.com/creative-cloud/system-requirements.html

Hello! I would like to download Indesign, illustrator etc

Not possible on a High Sierra Mac, I'm afraid. It's too old.

For the current version of InDesign (20.x), you need to be running macOS 12.0 (Monterey) or later. 

For the version prior, you need to be running macOS 11.0 (Big Sur) or later. 

How old is your Mac? Find your Mac model name and serial number - Apple Support

I'm guessing 10+ years?

it says that i "need to update your system". My macbook high sierra is "10.13.6" and i think thats the latest update? 

Yes, 10.13.6 is the latest update for High Sierra. However, High Sierra is a very old, discontinued operatng system.

The Adobe message is trying to tell you that you need a newer operating system altogether (Monterey or later).

How to install when you have a subscription and a problem

You may NOT use the Opera browser... it is not compatible with Adobe
NOTE: the alternate download link in this link works better for some people
Install the cc desktop app using the download links at the bottom of this
https://helpx.adobe.com/download-install/kb/creative-cloud-desktop-app-download.html
If that works for you, you then use the Cloud manager to install your programs