Xd Vpn Pro Danlwd Mstqym Az Gwgl Access

Probably not Atbash. Try ROT13 (common in puzzles):

X(24) ↔ C(3) d(4) ↔ W(23) Space V(22) ↔ E(5) p(16) ↔ K(11) n(14) ↔ M(13) Space P(16) ↔ K(11) r(18) ↔ I(9) o(15) ↔ L(12) Space d(4)↔W(23) a(1)↔Z(26) n(14)↔M(13) l(12)↔O(15) w(23)↔D(4) d(4)↔W(23) Space m(13)↔N(14) s(19)↔H(8) t(20)↔G(7) q(17)↔J(10) y(25)↔B(2) m(13)↔N(14) Space a(1)↔Z(26) z(26)↔A(1) Space g(7)↔T(20) w(23)↔D(4) g(7)↔T(20) l(12)↔O(15) Xd Vpn Pro danlwd mstqym az gwgl

danlwd → qna yjq ? Let’s compute: d(4)→q(17) a(1)→n(14) n(14)→a(1) l(12)→y(25) w(23)→j(10) d(4)→q(17) Probably not Atbash

It looks like you've provided a string that appears to be encoded or obfuscated: Xd Vpn Pro danlwd mstqym az gwgl

So maybe it means: "X-VPN Pro necessary straight from Google".