Follow these steps
a) Right click on local code repo
b) Go to TortoiseSVN > Settings
c) Go to “Network”
d) Browse for SSH Client and use following
“C:\Program Files\TortoiseSVN\bin\TortoisePlink.exe” – Can be found in TortoiseSVN installation folder
d) Append following replacing username and password with your user name and password
“-l username -pw password”
e) Click OK/Apply