Go To support.oracle.com
Click on patch & updates

Enter the patch no. and platform and click search.

Click on the patch no. as per release you need and click download

Right click and copy link address

This is the link you get
from this link prepare the wget command like this
wget --no-check-certificate --http-user "abcd@abc.com" --http-passwd "******" $1 -O "/u01/app/oracle/p6880880_122010_Linux-x86-64.zip " "https://updates.oracle.com/Orion/Services/download/p6880880_122010_Linux-x86-64.zip?aru=23538447&patch_file=p6880880_122010_Linux-x86-64.zip"
run this command on your server and patch will start downloading
[root@oel6-node01 ~]# wget --no-check-certificate --http-user " abcd@abc.com" --http-passwd "******" $1 -O "/u01/app/oracle/p6880880_122010_Linux-x86-64.zip " "https://updates.oracle.com/Orion/Services/download/p6880880_122010_Linux-x86-64.zip?aru=23538447&patch_file=p6880880_122010_Linux-x86-64.zip"
--2020-06-03 16:23:18-- https://updates.oracle.com/Orion/Services/download/p6880880_122010_Linux-x86-64.zip?aru=23538447&patch_file=p6880880_122010_Linux-x86-64.zip
Resolving updates.oracle.com... 141.146.44.51
Connecting to updates.oracle.com|141.146.44.51|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://login.oracle.com/pls/orasso/orasso.wwsso_app_admin.ls_login?site2pstoretoken=v1.2~160FF995E106EA9714~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following]
--2020-06-03 16:23:19-- https://login.oracle.com/pls/orasso/orasso.wwsso_app_admin.ls_login?site2pstoretoken=v1.2~160FF995E106EA9714~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
Resolving login.oracle.com... 156.151.58.18
Connecting to login.oracle.com|156.151.58.18|:443... connected.
HTTP request sent, awaiting response... 401 Authorization Required
Reusing existing connection to login.oracle.com:443.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://updates.oracle.com:443/osso_login_success?urlc=v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following]
--2020-06-03 16:23:22-- https://updates.oracle.com/osso_login_success?urlc=v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
Connecting to updates.oracle.com|141.146.44.51|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://updates.oracle.com/Orion/Services/download/p6880880_122010_Linux-x86-64.zip?aru=23538447&patch_file=p6880880_122010_Linux-x86-64.zip [following]
--2020-06-03 16:23:26-- https://updates.oracle.com/Orion/Services/download/p6880880_122010_Linux-x86-64.zip?aru=23538447&patch_file=p6880880_122010_Linux-x86-64.zip
Reusing existing connection to updates.oracle.com:443.
HTTP request sent, awaiting response... 302 Found
Location: https://aru-akam.oracle.com/adcarurepos/vol/patch05/PLATFORM/Linux-x86-64/R600000000063735/p6880880_122010_Linux-x86-64.zip?FilePath=/adcarurepos/vol/patch05/PLATFORM/Linux-x86-64/R600000000063735/p6880880_122010_Linux-x86-64.zip&File=p6880880_122010_Linux-x86-64.zip¶ms=RExIV09sU1F5dlZINGZrKzJQd1lPQTphcnU9MjM1Mzg0NDcmZW1haWw9b3JhY2xldGllcjJAZGF0YXZhaWwuY29tJmZpbGVfaWQ9MTA4MjM2ODEzJnBhdGNoX2ZpbGU9cDY4ODA4ODBfMTIyMDEwX0xpbnV4LXg4Ni02NC56aXAmdXNlcmlkPW8tb3JhY2xldGllcjJAZGF0YXZhaWwuY29tJnNpemU9MTE4NDA4NjI0JmNvbnRleHQ9QUAxMCtIQGFhcnV2bXRwMDIub3JhY2xlLmNvbStQQCZkb3dubG9hZF9pZD00MTY1NTM1MDg@&AuthParam=1591181726_cca46952765ee078641a1ef53cd33e05 [following]
--2020-06-03 16:23:26-- https://aru-akam.oracle.com/adcarurepos/vol/patch05/PLATFORM/Linux-x86-64/R600000000063735/p6880880_122010_Linux-x86-64.zip?FilePath=/adcarurepos/vol/patch05/PLATFORM/Linux-x86-64/R600000000063735/p6880880_122010_Linux-x86-64.zip&File=p6880880_122010_Linux-x86-64.zip¶ms=RExIV09sU1F5dlZINGZrKzJQd1lPQTphcnU9MjM1Mzg0NDcmZW1haWw9b3JhY2xldGllcjJAZGF0YXZhaWwuY29tJmZpbGVfaWQ9MTA4MjM2ODEzJnBhdGNoX2ZpbGU9cDY4ODA4ODBfMTIyMDEwX0xpbnV4LXg4Ni02NC56aXAmdXNlcmlkPW8tb3JhY2xldGllcjJAZGF0YXZhaWwuY29tJnNpemU9MTE4NDA4NjI0JmNvbnRleHQ9QUAxMCtIQGFhcnV2bXRwMDIub3JhY2xlLmNvbStQQCZkb3dubG9hZF9pZD00MTY1NTM1MDg@&AuthParam=1591181726_cca46952765ee078641a1ef53cd33e05
Resolving aru-akam.oracle.com... 23.53.22.6
Connecting to aru-akam.oracle.com|23.53.22.6|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 118408624 (113M) [application/zip]
Saving to: “/u01/app/oracle/p6880880_122010_Linux-x86-64.zip ”
19% [============================> ] 23,490,400 184K/s eta 4m 16s