To run MySQL from folder zip without install.txt

1. Go inside bin folder, click on address bar, then type cmd

2. mysqld --initialize

3. mysqld --console

4. mysql -u root -h localhost -p

5. for temporary password go for "Data" folder inside Mysql  directory
go for file name <computer name>.err You all will get a temporary password than paste it in command prompt

6. mysql -u root -h localhost -p<temp Pass>

7. to change password
alter user 'root'@'localhost' identified by 'root';

8. logout than login again with 
mysql -u root -h localhost -proot