Hold the ALT key and type either the three digits on the left or the four digits on the right to get the characters in any programs you are using… on any computer
160 á (0225)
130 é (0233)
161 í (0237)
164 ñ (0241)
162 ó (0243)
163 ú (0250)
129 ü (0252)
Á (0193)
144 É (0201)
Í (0205)
165 Ñ (0209)
Ó (0211)
Ú (0218)
154 Ü (0220)
168 ¿ (0191)
173 ¡ (0161)