no puedo bajar aplicaciones

if you have an old os, your default browser must support tls 1.2, https://helpx.adobe.com/x-productkb/multi/eol-tls-support.html

to test your default browser's tls you can use , https://clienttest.ssllabs.com:8443/ssltest/viewMyClient.html

otherwise, confirm that you can connect to the secure adobe servers by reading, http://helpx.adobe.com/x-productkb/policy-pricing/activation-network-issues.html

do you see both logos after clicking "link"?

if you can and still see a connection error try these steps, https://helpx.adobe.com/download-install/kb/unable-to-reach-adobe-servers.html

if those fail, make sure you also tried the steps at, https://helpx.adobe.com/download-install/kb/common-network-connectivity-issues.html

if that fails, try https://helpx.adobe.com/download-install/kb/cannot-verify-subscription-offline-mode.html

if those all fail, white list the adobe network endpoints, https://helpx.adobe.com/enterprise/kb/network-endpoints.html

Revert to trial https://helpx.adobe.com/manage-account/kb/stop-creative-cloud-trial-mode-after-purchase.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