1. Create your own libraries:
2. Upload Files
3. Share Download links:
Notice: this feature is only available on premium plans now. it was disabled from free users due to security issues.
For more read this related article: How to share libraries & files
How to Share Files in Mainland China: https://nihaocloud.zendesk.com/hc/en-us/articles/360021015773
4. Sync libraries with other devices:
To sync files with all your devices you will need a Seafile App. Click here to read how to setup Seafile Apps