If you don't have the Dropbox Desktop application installed, or just want to upload a few files, you can use the Dropbox website. Only files up to 10gb size can be uploaded from the website.
On dropbox.com
- Sign in to dropbox.com.
- Click the upload icon.
- In the popup, click Choose File and then select the file on your computer that you’d like to add to Dropbox.
- Choose as many files as you like, and then click Start Upload.
Share file with a link from dropbox.com
1. Hover your cursor over the file or folder you'd like to share and click Share when it appears.
2. If a link hasn't been created, click Create a link.
o If a link was already created, click Copy link.
3. The link will be copied to your clipboard. You can then paste it to an email, message, or wherever people can access it.