use Illuminate\Support\Facades\Schema;
public function boot()
{ Schema::defaultStringLength(191);
}

use Illuminate\Support\Facades\Schema;
/** * Bootstrap any application services. * * @return void */
public function boot()
{ Schema::defaultStringLength(191);
}

// /app/Providers/AppserviceProvider.php
use Illuminate\Support\Facades\Schema;
public function boot()
{	Schema::defaultStringLength(191);
}

Path : App/Providers/AppServiceProvider
Schema::defaultStringLength(191);
in AppServiceProvider didn't work for me. What worked for was editing the database.php file in config folder. Just edit
'charset' => 'utf8mb4',
'collation' => 'utf8mb4_unicode_ci',
to
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
and it should work, although you will be unable to store extended multibyte characters like emoji.

Inside config/database.php, replace this line for mysql
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'engine' => null',
with
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'engine' => 'InnoDB ROW_FORMAT=DYNAMIC',
Instead of setting a limit on your string lenght.

use Illuminate\Support\Facades\Schema;
/** * Bootstrap any application services. * * @return void */
public function boot()
{ Schema::defaultStringLength(191);
}

// Solution 1
// In App/Providers/AppServiceProvider.php
use Illuminate\Support\Facades\Schema;
public function boot()
{ Schema::defaultStringLength(191);
}
// Solution 2
// In config/database.php
// For 'mysql' change
'mysql' => [	// 'engine' => null, 'engine' => 'InnoDB ROW_FORMAT=DYNAMIC', ],

According to the official Laravel 7.x documentation, you can solve this quite easily.
Update your /app/Providers/AppServiceProvider.php to contain:
use Illuminate\Support\Facades\Schema;
/** * Bootstrap any application services. * * @return void */
public function boot()
{ Schema::defaultStringLength(191);

$table->string('name',64);
$table->string('email',128)->unique();