How do I translate into Russian?

– To change the title “Filter”, you can open the price-filter.php file in the folder path “\wp-content\plugins\jigoshop\widgets” / line 120.

-To change the title “Posted in”, you can open the jigoshop_template_functions.php file in the folder path “\wp-content\plugins\jigoshop\” / line 305.

– To change the title “Logout”, you can open the user_login.php file in the folder path “\wp-content\plugins\jigoshop\widgets” /line 64.

– To change the “Quantity”, you can log in to Dashboard > Appearance > Editor > add the following code:

 
.single.jigoshop .summary .quantity:before {
content: "Quantity" !important;
}

Note: change your title here: Quantity

– To change the title “Forgot it?”, you can open the user_login.php file in the folder path “\wp-content\plugins\jigoshop\widgets” /line 100.

– To change the title “New user?”, you can open the user_login.php file in the folder path “\wp-content\plugins\jigoshop\widgets” /line 106.

Regards,
Dominic

How I can do it? (erase the currency)

How I can do it? (erase the currency)

I think you have resolved this issue.