Creative Cloud

>say free trial or buy

Revert to trial https://helpx.adobe.com/manage-account-membership/cc-reverts-to-trial.html may help
-and troubleshooting FAQ https://community.adobe.com/t5/Get-Started/Troubleshooting-FAQ-What-should-I-do-if-I-have-a-membership-but/td-p/7601068
-and https://helpx.adobe.com/creative-cloud/kb/cloud-website-shows-trial-purchase.html

Which Plan?  It varies.

Creative Cloud Photography Plan -- approx USD $10/month x 12 months:
-- Photoshop CC and Photoshop on iPad
-- Lightroom on desktop, mobile and the web
-- Lightroom Classic
-- Portfolio website + hosting
-- Spark with premium features
-- Bridge
-- 20 GB cloud storage (upgradable to 1 TB).
https://www.adobe.com/creativecloud/photography.html

Creative Cloud All Apps (31 + apps & services) for Design, Web, Video, PDF, UI/UX, 3D and AR, etc...

https://www.adobe.com/creativecloud.html

Does your computer meet the minimum requirements for the other apps?

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

https://creative.adobe.com/plans