How to change from one ISP to other ISP

1.Login with winbox to the Mikrotik router
2.Click on IP => DNS => Setting change DNS

3.Click on IP => route => and then change gateway

4.Click on IP => Pool => Delete dhcp_pool1
5.Click on IP => DHCP server => Click DHCP and select DHCP that have and click on delete(-) and click on networks then select on the network click delete(-)
6.Click on IP => hotspot => in server tab select hsprof1 and then click delete(-) click profile and select hsprof1 then click delete(-)
7.Go to DHCP server => in DHCP tab click setup => next until finish so it created the IP pool and network automatically
8.Go to hotspot again => in server tab click setup and then click Next until finish
9.Click Profile in hotspot and double click on hsprof1

[admin@Mikrotik]> interface wireless set wlan1 ssid="My HotSpot"
 band=2.4ghz-b mode=ap-bridges in
admin@MikroTik] > ip hotspot setup
 hotspot interface: wlan1 local address of network: 192.168.30.1/24
masquerade network: yes
address pool of network: 192.168.30.2-192.168.30.99
select certificate: none
ip address of smtp server: 0.0.0.0
dns servers: 192.168.24.2 dns name: hotspot.mydomain.net (or leave this blank)
name of local hotspot user: user
password for the user: password

[admin@MikroTik] > ip hotspot user print
Flags: X - disabled, D - dynamic
# SERVER NAME ADDRESS PROFILE UPTIME
0 fred default 0s
[admin@MikroTik] > ip hotspot user remove 0