Download PL/SQL Developer in http://download.csdn.net/download/wuqinfei_cs/7740373.
1. Unzip, create a new network folder under the Instantclient_11_2 directory, and then create a new admin folder under it . Copy the Tnsnames.ora in the Oracle\product\11.2.0\dbhome_1\network\admin directory to the previously created Admin folder.
2. Right-click Computer Properties, advanced system settings, environment variables. New in System variables
Variable: Nls_lang value: Simplified Chinese_china. Zhs16gbk
Variable: Tns_admin value: F:\PLSQL\instantclient_11_2 (according to the actual instantclient_11_2 location)
New value added in Path: F:\PLSQL\instantclient_11_2 (based on actual instantclient_11_2 location)
3. Open PL/SQL Developer, login interface Press Cancel, go to menu \ Tools \ Preferences .
Oracle Home Directory name = F:\PLSQL\instantclient_11_2
OCI Library = F:\PLSQL\instantclient_11_2\oci.dll
After configuring the reboot, enter the correct username and password.
WIN10 oracle11g 64-bit configuration PL/SQL Developer "Record"