Pretty easy to do.
Take the API from capmonster and place it in the 2captcha api key location in SEOAP.
From there navigate to
c:windows\system32\drivers\etc\hostfile.
Open this with notepad and place this at the end of the file.
# localhost name resolution is handled within DNS itself.
# 127.0.0.1 localhost
# ::1 localhost
# capmonster.cloud begin
159.69.49.144 rucaptcha.com
159.69.49.144 ripcaptcha.com
159.69.49.144 imacros2.rucaptcha.com
159.69.49.144 2captcha.com
159.69.49.144 imacros2.2captcha.com
159.69.49.144 dc.antigate.com
159.69.49.144 anti-captcha.net
159.69.49.144 antigate.com
159.69.49.144 anticaptcha.com
159.69.49.144
http://www.anti-captcha.net
159.69.49.144
http://www.antigate.com
159.69.49.144
http://www.anticaptcha.com
159.69.49.144 anti-captcha.com
159.69.49.144 api.anti-captcha.com
159.69.49.144 bypasscaptcha.com
159.69.49.144
http://www.bypasscaptcha.com
159.69.49.144 api.dbcapi.me
159.69.49.144 api.deathbycaptcha.com
159.69.49.144 api.deathbycaptcha.eu
159.69.49.144 api.dbc.me
# capmonster.cloud end
Then hit save and check your balance.